Samsung ddr5 RAMs: 15 Picks Ranked by Specs
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If you are searching for samsung ddr5 RAM or enterprise DDR4 memory, Samsung offers modules across a wide range of hardware platforms. Its selection covers capacities from 16GB to 256GB in unlit SODIMM, RDIMM, and LRDIMM form factors.
The Samsung 32GB DDR4-2133 ECC Registered Memory leads the list because it delivers dedicated low-profile memory built specifically for DDR4-2133 server and workstation upgrades. To help you choose, we compared 15 products based strictly on the specifications published on the listings.
Quick picks
Our 15 picks
Samsung 32GB DDR4-2133 ECC Registered Memory
Best for: DDR4-2133 server and workstation upgrades
- Capacity
- 32GB
- Memory Speed
- DDR4-2133
- ECC Support
- ECC REG
- Dimensions
- 5.25 × 0.15 × 1.23 inches
View on Amazon: Samsung 32GB DDR4-2133 ECC Registered Memory
This Samsung module is a 32GB DDR4 registered memory stick designed for server systems. It operates at a DDR4-2133 speed with ECC error-checking support and a 2Rx4 dual-rank organization. The physical dimensions measure 5.25 inches long and 1.23 inches high in a low-profile design. If you need registered memory for compatible enterprise hardware requiring lower-frequency DDR4 support, this module fits your build requirements.
Pros
- 32GB capacity on a single module
- ECC registered error correction
- Low-profile 1.23-inch height
- 2Rx4 dual-rank configuration
Cons
- Base DDR4-2133 speed rating
- Registered ECC not supported by standard desktop motherboards
Good fit if
- You need registered ECC DDR4 server memory.
- You run a platform rated for DDR4-2133 speeds.
- You require low-profile modules measuring 1.23 inches high.
Skip if
- You need DDR5 memory for modern platforms.
- You use a standard consumer desktop motherboard.
- You require speeds higher than DDR4-2133.
Verdict: Samsung 32GB DDR4 2133MHz ECC Registered RAM delivers 32GB of error-correcting server memory for DDR4-2133 systems. It suits your build if you require low-profile registered DDR4 modules.
Samsung 32GB DDR4 2133MHz ECC LRDIMM
Best for: server setups requiring DDR4 ECC LRDIMM upgrades
- Capacity
- 32GB
- Memory Speed
- 2133 MHz
- CAS Latency
- CL15
- Form Factor
- 288-Pin DIMM
- Voltage
- 1.2V
- ECC Support
- ECC Load Reduced LRDIMM
This Samsung module provides 32GB of DDR4 memory running at 2133 MHz with CL15 timings and standard 1.2V operation. Built as a 288-pin load-reduced LRDIMM in a quad-rank 4Rx4 layout, it is designed strictly for compatible server hardware. You can use it to expand your server memory capacity, provided your system supports LRDIMMs rather than standard registered or unbuffered modules.
Pros
- 32GB capacity on a single 288-pin DIMM
- Operates at standard 1.2V JEDEC DDR4 voltage
- ECC load-reduced (LRDIMM) design with 4Rx4 quad-rank layout
- 2133 MHz operational speed with CL15 latency
Cons
- Incompatible with desktop PCs, laptops, and non-server systems
- Cannot be mixed with ECC registered, ECC unbuffered, or non-ECC memory
- Rated for DDR4-2133 speed rather than faster DDR4 standards
Good fit if
- You need a 32GB ECC LRDIMM upgrade for a compatible server.
- You run a server board configured for 2133 MHz DDR4 1.2V quad-rank modules.
Skip if
- You are building or upgrading a standard desktop PC or laptop.
- You already have ECC registered (RDIMM) or unbuffered memory installed in your system.
Verdict: Samsung 32GB DDR4 2133MHz ECC LRDIMM delivers 32GB of quad-rank memory at 1.2V for dedicated server environments. It works only in select server platforms that specifically accept load-reduced DDR4 modules.
Samsung 32GB DDR4-2400 ECC Registered Server RAM
Best for: Supermicro server platforms requiring DDR4 ECC
- Capacity
- 32GB
- Memory Speed
- DDR4-2400
- ECC Support
- ECC Reg
- Compatible Device
- Server
- Dimensions
- 6 × 4 × 0.5 inches
- Weight
- 1.6 ounces
View on Amazon: Samsung 32GB DDR4-2400 ECC Registered Server RAM
You get a 32GB registered DDR4 memory module operating at 2400 MHz. It features ECC support to detect and correct data corruption, making it suitable for server environments. The module utilizes a 2Rx4 dual-rank layout and low-profile dimensions measuring 6 inches long by 4 inches wide. It is Supermicro certified and targets enterprise system builders who need dependable, error-checking DDR4 memory for compatible server hardware.
Pros
- 32GB capacity on a single module
- ECC registered error correction
- Supermicro certified specification
- 2Rx4 dual-rank architecture
Cons
- Limited to 2400 MHz transfer speeds
- Requires server motherboard with registered ECC support
Good fit if
- You need registered ECC DDR4 memory for a server platform.
- You maintain or upgrade Supermicro certified hardware.
Skip if
- You require high-speed DDR5 memory architecture.
- You run a standard consumer desktop motherboard.
Verdict: Samsung 32GB DDR4-2400 ECC Server Memory provides registered ECC reliability for compatible enterprise systems. It is an ideal match for Supermicro hardware running standard DDR4 infrastructure.
Samsung 32GB DDR4 ECC RDIMM
Best for: DDR4 servers needing 32GB ECC registered memory
- Capacity
- 32GB
- Form Factor
- RDIMM
- ECC Support
- ECC
- Compatible Device
- Server
This Samsung module delivers 32GB of DDR4 memory designed specifically for server setups. It features PC4-2666V (PC4-21300) technology, an RDIMM form factor, and ECC support with a 2Rx4 structure. If you need single-module capacity for a registered ECC server build, this memory suits systems requiring verified DDR4 specifications. It fits dedicated server platforms while maintaining standard 2666 speed parameters for your hardware.
Pros
- 32GB capacity on a single module
- PC4-2666V (PC4-21300) DDR4 operational speed
- ECC support for hardware error detection
- 2Rx4 registered memory architecture (RDIMM)
Cons
- DDR4 generation rather than DDR5
- RDIMM form factor is not compatible with standard desktop motherboards
Good fit if
- You run a server platform requiring 32GB DDR4 registered memory.
- You need PC4-2666V (PC4-21300) memory featuring ECC and a 2Rx4 layout.
Skip if
- You require memory for a newer DDR5 server socket.
- You need standard unbuffered RAM for a desktop PC or laptop.
Verdict: Samsung 32GB DDR4 ECC RDIMM delivers registered server memory operating at PC4-2666V speeds with integrated ECC error support. It offers standard 32GB capacity for compatible server motherboards that take DDR4 RDIMMs.
Samsung 32GB DDR4 ECC RDIMM
Best for: DDR4 server upgrades requiring CL19 ECC RDIMMs
- Capacity
- 32GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Form Factor
- RDIMM
- ECC Support
- ECC
- Compatible Device
- Server
This module is a 32GB registered DDR4 memory stick designed specifically for server platforms. You get a DDR4-2666 transfer rate (PC4-21300), a CL19 CAS latency, and 2Rx4 rank organization. Built-in ECC support provides critical data integrity for enterprise workloads. It suits your build if you manage a DDR4-based server requiring registered RDIMMs rather than standard unbuffered desktop RAM.
Pros
- 32GB DDR4-2666 (PC4-21300) capacity
- CL19 CAS latency specification
- ECC RDIMM registered server form factor
- 2Rx4 dual-rank layout
Cons
- Server-only RDIMM form factor incompatible with desktop motherboards
- DDR4 generation rather than DDR5 speeds
- Single module rather than a multi-channel kit
Good fit if
- You need a 32GB ECC registered DDR4 module for an enterprise server.
- You require CL19 timing at 2666MHz (PC4-21300).
- You want a 2Rx4 dual-rank RDIMM memory configuration.
Skip if
- You need standard unbuffered memory for a desktop PC or laptop.
- You require newer DDR5 memory speeds for your system.
Verdict: Samsung 32GB DDR4-2666 ECC RDIMM provides reliable error-correcting memory with CL19 latency for enterprise server platforms. It offers the exact registered 2Rx4 specifications needed to expand or maintain compatible DDR4 server hardware.
Samsung 256GB (8x32GB) DDR4 2666MHz RDIMM Kit
Best for: enterprise servers needing high DDR4 capacity
- Capacity
- 256GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL 19
- Kit Configuration
- 8 x 32GB
- Form Factor
- 288-Pin
- ECC Support
- RDIMM
View on Amazon: Samsung 256GB (8x32GB) DDR4 2666MHz RDIMM Kit
This bundle provides 256GB of server memory split across eight 32GB DDR4 modules. It operates at 2666MHz (PC4-21300) with a CL 19 CAS latency and uses a 288-pin registered DIMM form factor. You will find it suitable if you need large-capacity registered memory for enterprise server boards that support multi-channel DDR4 configurations across eight slots, provided your platform does not require desktop RAM.
Pros
- 256GB total capacity across eight 32GB modules
- 2666MHz operating frequency (PC4-21300)
- Registered RDIMM architecture for server platforms
- 288-pin form factor with CL 19 latency
Cons
- Not compatible with desktop computers
- DDR4 generation rather than newer DDR5 specifications
- Requires eight open memory slots
Good fit if
- You need 256GB of total memory spread across eight registered modules.
- You run a server board designed for 288-pin DDR4 RDIMMs.
- You require 2666MHz speed with CL 19 latency for your server workloads.
Skip if
- You build or upgrade a standard desktop PC.
- You require DDR5 server memory for newer generation hardware.
- You have fewer than eight available memory slots.
Verdict: Samsung 256GB (8 x 32GB) DDR4 2666MHz RDIMM delivers massive memory capacity across eight registered modules for compatible enterprise servers. It is built specifically for multi-channel DDR4 server architectures rather than consumer desktop platforms.
Samsung 64GB (2x32GB) 2666MHz DDR4 RDIMM
Best for: server setups needing 64GB DDR4 registered memory
- Capacity
- 64GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL 19
- Kit Configuration
- 2 x 32GB
- Form Factor
- 288-Pin
- ECC Support
- RDIMM
This bundle provides 64GB of memory split across two 32GB DDR4 modules. You get a 2666MHz operating speed with a CL 19 CAS latency and standard 288-pin RDIMM form factor. Because these are registered server modules, they serve server motherboards needing dual-module configurations. If you require memory for a compatible server, this kit supplies matched capacity.
Pros
- Total 64GB capacity supplied as two 32GB modules
- 2666MHz memory operating speed
- CL 19 CAS latency
- Standard 288-pin registered form factor
Cons
- Incompatible with desktop motherboards
- Requires hardware that supports registered RDIMM memory
Good fit if
- You need 64GB of total RAM divided across two matched server DIMMs.
- You run a server board compatible with 2666MHz DDR4 RDIMMs.
Skip if
- You intend to install memory into a standard desktop PC.
- You require unbuffered memory modules instead of registered RDIMMs.
Verdict: Samsung 64GB DDR4 2666MHz RDIMM Kit delivers 64GB of 2666MHz registered memory across two matched 32GB modules. It is built strictly for compatible server platforms needing 288-pin DDR4 RDIMMs.
Samsung 32GB 2666MHz DDR4 Server RDIMM
Best for: DDR4 server memory upgrades needing 128GB
- Capacity
- 128GB
- Memory Speed
- 2666MHz
- Kit Configuration
- 4 x 32GB
- ECC Support
- RDIMM
- Compatible Device
- Server
This bundle provides 128GB of memory using four 32GB modules. It operates at DDR4 PC4-21300 specifications with a 2666MHz clock speed. The modules use the registered RDIMM form factor, designed strictly for compatible server hardware rather than desktop systems. If you need a high-capacity multi-channel memory configuration for an enterprise platform that requires DDR4 server modules running at 2666MHz, this four-stick kit matches those technical requirements directly.
Pros
- 128GB total capacity split across four 32GB modules
- 2666MHz operating frequency (PC4-21300)
- Registered RDIMM form factor designed for server platforms
Cons
- DDR4 generation rather than newer DDR5 standard
- Server RDIMM format is incompatible with standard desktop motherboards
Good fit if
- You need 128GB across four slots in a multi-channel configuration.
- You manage server hardware certified for DDR4-2666 RDIMM modules.
Skip if
- You require modern DDR5 speed and platform architecture.
- You are assembling a consumer desktop PC that requires unbuffered memory.
Verdict: Samsung 128GB 2666MHz DDR4 RDIMM Kit delivers 128GB of quad-channel server capacity running at 2666MHz. It suits enterprise motherboards that require DDR4 registered memory.
Samsung 128GB 4x32GB DDR4 2666MHz RDIMM
Best for: Dell PowerEdge DDR4 server memory expansions
- Capacity
- 128GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL 19
- Kit Configuration
- 4 x 32GB
- Form Factor
- 288-Pin
- ECC Support
- Registered
This Samsung 128GB memory kit includes four 32GB registered DIMMs designed for server platforms. Running at 2666MHz with a CAS latency of CL19, each module uses the standard 288-pin DDR4 interface. You can deploy this set directly into supported systems like Dell PowerEdge R440, R640, or T640 servers. It serves enterprise setups that demand high-capacity registered memory.
Pros
- Total capacity of 128GB split across four 32GB modules
- Operates at 2666MHz PC4-21300 memory speed
- Uses standard 288-pin registered DIMM design
- Rated at CL19 CAS latency
Cons
- Uses DDR4 technology instead of newer DDR5
- Not compatible with desktop motherboards requiring unbuffered RAM
Good fit if
- You need a 128GB four-module memory kit for a multi-channel server.
- You run compatible Dell PowerEdge platforms like the R440, R640, or T640.
Skip if
- You require DDR5 memory speeds for modern platforms.
- You use consumer PC hardware that rejects registered DIMMs.
Verdict: Samsung 128GB 4x32GB DDR4-2666 RDIMM Kit delivers balanced multi-module capacity for compatible enterprise server hardware. It provides a direct 2666MHz DDR4 upgrade path for supported Dell PowerEdge systems.
Samsung 32GB DDR4 3200MHz SODIMM Laptop RAM
Best for: high-capacity DDR4 laptop memory upgrades
- Capacity
- 32GB
- Memory Speed
- 3200MHz
- Form Factor
- 260-Pin SODIMM
- Voltage
- 1.2V
- Compatible Device
- Laptop
- Dimensions
- 2.75 × 0.13 × 1.18 inches
This Samsung module provides 32GB of DDR4 memory for compatible laptops. It operates at a 3200MHz clock speed with a standard 1.2V operating voltage across a 260-pin SODIMM interface. The dual-rank 2Rx8 layout packs high capacity into a single slot. If your notebook accepts DDR4 SODIMM hardware and you need substantial memory headroom for daily multitasking or workstation workloads, this module delivers reliable baseline specifications.
Pros
- 32GB capacity on a single module
- Runs at 3200MHz memory speed
- Operates at standard 1.2V DDR4 voltage
- Dual-rank 2Rx8 layout using 16 chips
Cons
- Uses DDR4 standard rather than DDR5
- Laptop SODIMM format incompatible with standard desktop DIMM slots
Good fit if
- You need 32GB of DDR4 memory for a laptop upgrade.
- You have a system supporting 260-pin SODIMMs running at 3200MHz and 1.2V.
Skip if
- You require desktop-sized DIMMs or server ECC RDIMMs.
- You need a DDR5 memory platform.
Verdict: Samsung 32GB DDR4 3200MHz SODIMM Laptop RAM provides a high-density, 1.2V memory upgrade for systems requiring 260-pin DDR4 SODIMMs. It offers 3200MHz speed in a 2Rx8 layout for memory-heavy portable setups.
Samsung 16GB 3200MHz DDR4 SODIMM
Best for: DDR4 laptops requiring CL22 3200MHz memory
- Capacity
- 16GB
- Memory Speed
- 3200MHz
- CAS Latency
- CL22
- Kit Configuration
- 1x 16GB
- Form Factor
- 260-Pin SO-DIMM
- Voltage
- 1.2V
This Samsung 16GB module provides DDR4 memory running at 3200MHz for compatible notebooks, laptops, and all-in-one computers. It features a 260-pin SODIMM form factor, non-ECC unbuffered operation, CL22 latency, and standard 1.2V power requirements. The 2Rx8 dual-rank design delivers standard density on a single stick. You can use it to expand system capacity and memory bandwidth if your portable machine supports 3200MHz DDR4 SODIMM memory modules.
Pros
- 3200MHz speed rating with standard CL22 CAS latency
- Dual-rank 2Rx8 memory layout
- Standard 1.2V operating voltage
- Compact 260-pin SODIMM form factor for laptops and AIOs
Cons
- DDR4 generation rather than DDR5
- Single-module package rather than a dual-channel kit
- Non-ECC unbuffered design without hardware error correction
Good fit if
- You need a single 16GB DDR4 SODIMM upgrade for a compatible laptop or all-in-one system.
- You want standard 1.2V DDR4-3200 memory operating at CL22 timings.
Skip if
- You need DDR5 memory for a newer laptop platform.
- You require ECC registered memory for server hardware.
Verdict: Samsung 16GB 3200MHz DDR4 SODIMM delivers standard 1.2V JEDEC performance and CL22 latency in a dual-rank 260-pin package. It provides a direct 16GB capacity boost for laptops and all-in-one PCs that accept DDR4 SODIMMs.
Samsung 64GB DDR4 2666MHz ECC RDIMM
Best for: DDR4 servers requiring high-capacity registered ECC memory
- Capacity
- 64GB
- Memory Speed
- 2666MHz
- Form Factor
- RDIMM
- Voltage
- 1.2V
- ECC Support
- ECC Registered
- Compatible Device
- Server
This Samsung server module delivers 64GB of DDR4 memory running at a 2666MHz clock speed with a 1.2V operating voltage. It features an RDIMM form factor with ECC support and a 4Rx4 rank configuration. If you maintain enterprise servers requiring PC4-21300 registered memory, this single-module stick gives you high density. It fits systems with DDR4 RDIMM support.
Pros
- 64GB high-capacity single module
- ECC registered RDIMM form factor
- Operates at standard 1.2V DDR4 voltage
- 2666MHz PC4-21300 data rate
Cons
- DDR4 generation rather than DDR5
- Restricted to servers supporting registered RDIMMs
- 2666MHz speed is lower than 2933MHz or 3200MHz DDR4
Good fit if
- You need 64GB of ECC registered memory for a DDR4 server.
- You run hardware certified for PC4-21300 2666MHz RDIMMs.
Skip if
- You need newer DDR5 server or desktop modules.
- You require standard unbuffered RAM for consumer desktop motherboards.
Verdict: Samsung 64GB DDR4 2666MHz ECC RDIMM provides high-capacity registered server memory operating at 1.2V. It suits DDR4 server boards requiring PC4-21300 specification modules.
Samsung 64GB DDR4 2933MHz ECC RDIMM
Best for: enterprise servers requiring DDR4 ECC registered memory
- Capacity
- 64GB
- Memory Speed
- 2933
- Form Factor
- RDIMM
- ECC Support
- ECC Registered
- Compatible Device
- Server
- Dimensions
- 5.3 × 1.3 × 0.1 inches
This Samsung 64GB DDR4 2933MHz ECC RDIMM provides high-density memory for enterprise hardware. It brings 64GB of PC4-2933 capacity to systems supporting DDR4 registered memory. Built with a 2Rx4 dual-rank layout, it includes ECC support to protect against data errors. If you manage Dell, HP, or Lenovo servers that take DDR4 RDIMMs, this module gives you reliable high-capacity memory without requiring a full platform upgrade.
Pros
- 64GB capacity on a single module
- PC4-2933 speed specification
- ECC registered RDIMM error correction
- 2Rx4 dual-rank configuration
Cons
- DDR4 generation rather than DDR5
- Incompatible with standard desktop motherboards requiring UDIMMs
Good fit if
- You run a server motherboard that requires DDR4 RDIMM memory.
- You need 64GB density per slot to maximize your memory capacity.
- You require error-correcting ECC registered stability.
Skip if
- You are building a newer platform that requires DDR5 modules.
- You use a consumer desktop or laptop without RDIMM support.
Verdict: Samsung 64GB DDR4 2933MHz ECC RDIMM delivers reliable high-capacity server memory with registered ECC stability. It suits DDR4 enterprise platforms that require dense 2Rx4 memory configurations.
Samsung 16GB 4800MHz ECC RDIMM
Best for: DDR5 servers needing 4800MHz single-rank RDIMMs
- Capacity
- 16GB
- Memory Speed
- 4800MHz
- Form Factor
- 288-Pin RDIMM
- Voltage
- 1.1V
- ECC Support
- ECC Registered
- Compatible Device
- Server
This single-module Samsung memory upgrade provides 16GB of DDR5 capacity running at 4800MHz. It operates on a JEDEC-standard 1.1V and features an ECC Registered (RDIMM) form factor with a 1Rx8 single-rank layout across 288 pins. Designed exclusively for compatible DDR5 servers and workstations, it offers reliable error correction for enterprise setups. It suits you if you need entry-level DDR5 server memory without mixing module types.
Pros
- Runs at DDR5 4800MHz (PC5-38400) transfer speed
- Operates at standard JEDEC 1.1V power level
- ECC Registered design detects and corrects data errors
- Single-rank 1Rx8 288-pin form factor
Cons
- Not compatible with desktop or laptop computers
- Cannot mix with ECC Unbuffered, Load Reduced, or Non-ECC memory
- Limited to a single 16GB module per package
Good fit if
- You need a single 16GB DDR5 4800MHz module for a compatible server or workstation.
- You require 1.1V ECC Registered memory with a 1Rx8 single-rank profile.
Skip if
- You are building or upgrading a standard desktop PC or laptop.
- You run a motherboard configured for Load Reduced or Unbuffered ECC RAM.
Verdict: Samsung 16GB DDR5 4800MHz ECC RDIMM delivers standard 1.1V Registered server memory for enterprise platforms requiring 4800MHz operation. It gives targeted error-correcting memory to workstations while excluding standard consumer desktops.
Samsung 64GB DDR5 5600MHz ECC RDIMM
Best for: 5600MHz DDR5 server memory upgrades
- Capacity
- 64GB
- Memory Speed
- 5600MHz
- Kit Configuration
- 1 Module
- Form Factor
- 288-Pin DIMM
- Voltage
- 1.1V
- ECC Support
- ECC Registered RDIMM
This Samsung module is a single 64GB DDR5 ECC registered RDIMM running at 5600MHz on 1.1 volts. It uses a 288-pin dual-rank 2Rx4 design with an EC8 10x4 configuration. You get PC5-44800 transfer rates built strictly for compatible server hardware. It will not operate in standard desktop or laptop motherboards. Choose this module if you need high-capacity 5600MHz memory to expand your server system's operational workload.
Pros
- Runs at 5600MHz DDR5 (PC5-44800)
- Single 64GB module capacity
- Operates at standard JEDEC 1.1V
- ECC registered dual-rank 2Rx4 layout
Cons
- Incompatible with desktop computers and laptops
- Cannot mix with EC4 (9x4) or unbuffered ECC modules
Good fit if
- You need 5600MHz DDR5 ECC registered memory for a compatible server.
- You want a high-density 64GB dual-rank module running at 1.1V.
Skip if
- You are upgrading a standard consumer desktop or laptop.
- Your existing server configuration uses EC4 (9x4) registered modules.
Verdict: Samsung 64GB DDR5 5600MHz ECC RDIMM delivers fast PC5-44800 server performance in a single 64GB module. It provides reliable dual-rank registered operation for systems built for 1.1V DDR5 memory.
Specifications side by side
| Spec | Samsung 32GB DDR4-2133 ECC Registered Memory | Samsung 32GB DDR4 2133MHz ECC LRDIMM | Samsung 32GB DDR4-2400 ECC Registered Server RAM | Samsung 32GB DDR4 ECC RDIMM | Samsung 32GB DDR4 ECC RDIMM | Samsung 256GB (8x32GB) DDR4 2666MHz RDIMM Kit | Samsung 64GB (2x32GB) 2666MHz DDR4 RDIMM | Samsung 32GB 2666MHz DDR4 Server RDIMM | Samsung 128GB 4x32GB DDR4 2666MHz RDIMM | Samsung 32GB DDR4 3200MHz SODIMM Laptop RAM | Samsung 16GB 3200MHz DDR4 SODIMM | Samsung 64GB DDR4 2666MHz ECC RDIMM | Samsung 64GB DDR4 2933MHz ECC RDIMM | Samsung 16GB 4800MHz ECC RDIMM | Samsung 64GB DDR5 5600MHz ECC RDIMM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity | 32GB | 32GB | 32GB | 32GB | 32GB | 256GB | 64GB | 128GB | 128GB | 32GB | 16GB | 64GB | 64GB | 16GB | 64GB |
| Memory Speed | DDR4-2133 | 2133 MHz | DDR4-2400 | not specified | 2666MHz | 2666MHz | 2666MHz | 2666MHz | 2666MHz | 3200MHz | 3200MHz | 2666MHz | 2933 | 4800MHz | 5600MHz |
| CAS Latency | not specified | CL15 | not specified | not specified | CL19 | CL 19 | CL 19 | not specified | CL 19 | not specified | CL22 | not specified | not specified | not specified | not specified |
| Kit Configuration | not specified | not specified | not specified | not specified | not specified | 8 x 32GB | 2 x 32GB | 4 x 32GB | 4 x 32GB | not specified | 1x 16GB | not specified | not specified | not specified | 1 Module |
| Form Factor | not specified | 288-Pin DIMM | not specified | RDIMM | RDIMM | 288-Pin | 288-Pin | not specified | 288-Pin | 260-Pin SODIMM | 260-Pin SO-DIMM | RDIMM | RDIMM | 288-Pin RDIMM | 288-Pin DIMM |
| Voltage | not specified | 1.2V | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 1.2V | 1.2V | 1.2V | not specified | 1.1V | 1.1V |
| ECC Support | ECC REG | ECC Load Reduced LRDIMM | ECC Reg | ECC | ECC | RDIMM | RDIMM | RDIMM | Registered | not specified | Non-ECC Unbuffered | ECC Registered | ECC Registered | ECC Registered | ECC Registered RDIMM |
| Compatible Device | not specified | not specified | Server | Server | Server | Server | Server | Server | not specified | Laptop | Laptop | Server | Server | Server | Server |
| Size | 32GB | 32GB | 32GB | 32GB | 32GB | not specified | 64GB | 32GB | not specified | 32GB | 16GB | 64 | 64GB | 16GB | 64GB |
| Dimensions | 5.25 × 0.15 × 1.23 inches | 5.25 × 0.06 × 1.18 inches | 6 × 4 × 0.5 inches | not specified | not specified | not specified | not specified | not specified | not specified | 2.75 × 0.13 × 1.18 inches | not specified | 5.3 × 1.3 × 0.1 inches | 5.3 × 1.3 × 0.1 inches | 5.25 × 1.23 × 0.15 inches | 5.25 × 1.23 × 0.15 inches |
| Weight | not specified | 0.8 ounces | 1.6 ounces | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 0.35 ounces | not specified |
| Color | Black | Black | Black | not specified | Multicolor | Multicolor | Multicolor | Multicolor | Multicolor | Multicolor | Multicolor | not specified | not specified | Green | 1 Module |
| Model | M393A4K40BB0-CPB4Y | 107938 | M393A4K40BB1-CRC | M393A4K40BB2-CTD | M393A4K40CB2-CTD7Q | ASIRAM22 | ASIRAM20 | ASIRAM21 | ASIRAM5 | M471A4G43AB1-CWE | M471A2K43DB1-CWE | M393A8K40B22-CWD | M393A8G40MB2-CVF | M321R2GA3BB6-CQK | M321R8GA0PB0-CWM |
Comparing the Samsung Memory Lineup
Samsung splits its catalog across form factors and target hardware. For portable systems, 260-pin SODIMMs run at 1.2V and 3200MHz. Options like the Samsung 32GB DDR4 3200MHz SODIMM Laptop RAM and Samsung 16GB 3200MHz DDR4 SODIMM suit setups requiring standard unbuffered memory.
For server infrastructure, the lineup divides by memory generation and ECC implementation. Newer platforms benefit from high-frequency registered modules like the Samsung 64GB DDR5 5600MHz ECC RDIMM. If you maintain legacy servers, registered and load-reduced options like the Samsung 32GB DDR4 2133MHz ECC LRDIMM deliver error-correcting stability at standard operating speeds.
Where Samsung Memory Hardware Fits
Samsung memory fits you if you need hardware for enterprise platforms or laptops. Capacities range from single 16GB sticks up to 256GB multi-module kits. Physical shapes cover 260-pin SODIMMs alongside standard server RDIMMs and LRDIMMs. Speeds start at 2133MHz and reach 5600MHz.
Every module uses bare circuit boards in black, green, or multicolor. You will not find integrated heat spreaders or RGB lighting in this selection. Key catalog gaps include standard desktop UDIMMs, DDR5 SODIMMs, and capacities below 16GB. You must look elsewhere for typical home desktop memory.
How to Choose Samsung Memory Modules
-
Match Your Form Factor
Check your motherboard specifications to determine whether you need SODIMM, RDIMM, or LRDIMM modules. Laptops and compact workstations require 260-pin SODIMM packages. Enterprise servers utilize registered RDIMMs or quad-rank load-reduced LRDIMMs to handle heavy data throughput. RDIMMs and LRDIMMs are physically distinct and cannot be mixed in the same memory bank. If you operate an enterprise system that specifies load-reduced hardware, choose a compatible module like the Samsung 32GB DDR4 2133MHz ECC LRDIMM. Matching your board design prevents physical slot damage and boot failure.
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Verify Generation and Frequency
Memory generations are physically and electrically incompatible. You cannot install DDR5 modules into DDR4 motherboards due to different pin counts and keying notches. Compare the rated megahertz value against your processor memory controller limits. DDR4 speeds range from 2133MHz to 3200MHz, while DDR5 starts significantly higher. If your server platform is built on modern DDR5 architecture, selecting the Samsung 64GB DDR5 5600MHz ECC RDIMM grants 5600MHz operation. Installing a module rated faster than your platform allows will cause the memory to downclock to system-supported limits.
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Check Required Operating Voltage
Always verify the operating voltage required by your platform before buying replacement memory. Standard DDR4 server and mobile modules function at 1.2V. DDR5 hardware reduces power consumption further by operating at a lower 1.1V baseline. Supplying incorrect voltage can cause thermal instability or prevent initialization entirely. For instance, the Samsung 16GB 4800MHz ECC RDIMM uses 1.1V to operate efficiently in DDR5 enterprise servers. Inspect your system documentation or motherboard technical manual to confirm the designated voltage profile matches the memory you plan to install.
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Confirm ECC Support Needs
Determine if your system requires Error-Correcting Code support before making a choice. Enterprise servers and mission-critical workstations require ECC modules to detect and correct single-bit memory errors continuously. Consumer portable systems lack memory controller wiring for error correction and require non-ECC hardware instead. If you manage a server platform that demands hardware reliability, a module like the Samsung 32GB DDR4-2400 ECC Registered Server RAM provides registered ECC stability. Installing ECC memory in unsupported consumer devices typically results in a system that fails to complete POST.
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Compare CAS Latency Ratings
Pay attention to CAS latency when evaluating modules of the exact same frequency. CAS latency measures the delay in clock cycles between sending a read command and receiving the data. A lower timing number means quicker internal response cycles at a given clock speed. For example, the Samsung 32GB DDR4 ECC RDIMM operates with a CL19 timing at 2666MHz. While raw frequency sets bandwidth limits, lower latency optimizes quick task handoffs. Ensure the module latency profile matches existing system memory when you expand existing server banks.
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Plan Multi Channel Kits
Decide whether you need a single stick or a multi-module configuration. Multi-channel architectures in enterprise servers require matched modules across identical slots to maximize operational bandwidth. Populating only one channel cuts memory throughput significantly compared to quad-channel or octa-channel setups. If you need to populate all eight memory lanes on a server motherboard at once, the Samsung 256GB (8x32GB) DDR4 2666MHz RDIMM Kit delivers eight matched units. Review your motherboard memory population rules to ensure your kit configuration matches the manufacturer channel guidelines.
Frequently asked questions
Can you install Samsung DDR5 ECC RDIMM memory in a standard desktop PC?
No, you cannot use Samsung DDR5 ECC RDIMMs in standard consumer desktop motherboards. Registered memory modules like the Samsung 16GB 4800MHz ECC RDIMM require dedicated server or workstation chipsets that support registered clock buffers and ECC functionality. Standard desktop processors and motherboards only accept unbuffered DDR5 DIMMs, so these enterprise sticks will fail to boot if installed in typical consumer desktop systems.
What speeds do Samsung DDR5 server RAM modules reach?
Samsung DDR5 server memory modules operate at speeds of 4800MHz and 5600MHz. For instance, the 16GB RDIMM runs at 4800MHz, while the high-density 64GB RDIMM module operates at 5600MHz under PC5-44800 specifications. These frequencies significantly outpace older DDR4 server hardware, which ranges from 2133MHz up to 2933MHz across registered lineups.
What voltage do Samsung DDR5 ECC memory modules require?
Samsung DDR5 ECC RDIMMs operate at a baseline voltage of 1.1V. Both the 16GB 4800MHz module and the 64GB 5600MHz registered stick utilize this standard 1.1V specification. This operating voltage is lower than DDR4 server and laptop modules in the lineup, which require 1.2V to function properly. Always ensure your server motherboard power delivery aligns with 1.1V DDR5 memory.
Can you mix Samsung DDR4 RDIMM and LRDIMM modules in the same server?
No, you must never mix RDIMMs and LRDIMMs within the same server platform. While both provide error-correcting enterprise storage, registered modules and load-reduced modules like the quad-rank 32GB 2133MHz LRDIMM use fundamentally different memory buffer architectures. Combining them on the same motherboard causes memory initialization errors and prevents the server system from completing POST.
What form factor do Samsung DDR4 laptop modules use?
Samsung DDR4 laptop memory uses the 260-pin SODIMM form factor. Modules such as the 16GB 3200MHz CL22 stick and 32GB 3200MHz module are designed specifically for compact notebooks and all-in-one systems. These modules run at 1.2V and cannot fit into full-size desktop or server slots, which require larger 288-pin DIMM configurations.
What capacities are available for Samsung DDR5 server memory?
Samsung DDR5 enterprise memory modules in this lineup come in 16GB and 64GB single-module capacities. The 16GB unit delivers 4800MHz speeds with registered ECC stability, while the larger 64GB option provides 5600MHz dual-rank operation. These capacities give you flexibility when tailoring system memory to virtualization requirements or heavy enterprise server workloads.
Does Samsung offer multi-module server memory kits?
Yes, Samsung offers multi-module server memory kits for high-density enterprise configurations. For DDR4 setups requiring multi-channel capacity, options include a 64GB kit consisting of two 32GB modules, a 128GB kit using four 32GB modules, and a 256GB kit with eight 32GB RDIMMs running at 2666MHz. These matched packages ensure consistent timings across complex multi-socket server platforms.