Samsung 32GB DDR4-2400 ECC Registered Alternatives: 6 Similar Picks Compared
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You are looking for samsung m393a4k40bb1 crc 32gb ddr4 2400 lp alternatives because your server requires specific enterprise-grade memory. The original Samsung module offers 32GB capacity with LP ECC registered technology and Supermicro certification. This makes it a stable choice for maintaining certified infrastructure. However, you might need different specifications. Your system may not support low-profile modules or Supermicro certification. You might also prefer a different brand like SK Hynix or a higher clock speed such as 2666MHz. Some users prioritize lower CAS latency or specific form factors like standard RDIMM over the low-profile design. This list compares 6 similar picks to help you find a compatible replacement. The alternatives were chosen because their specs overlap with the original. Each option provides 32GB capacity and ECC support. They vary in speed, latency, and physical dimensions. You can compare these details to ensure compatibility with your specific server hardware. This guide focuses on published specifications to help you make an informed decision. You do not need to guess which module fits your needs. The data presented here clarifies the differences between each kit. Choose the option that matches your technical requirements and brand preferences.
Our top pick: Samsung 32GB DDR4-2400 ECC Registered Server RAM.
Comparing Server RAM Alternatives
SK Hynix 32GB DDR4-2400 ECC REG
The SK Hynix HMA84GR7MFR4N-UH matches the Samsung module’s 32GB capacity and DDR4-2400 speed with registered ECC support. It targets server systems requiring stable error correction without demanding higher clock rates. This option serves as a dependable budget choice for administrators who prioritize ECC reliability over brand name. It lacks the specific Supermicro certification found on the Samsung part, which may matter for strict compatibility checks. The physical dimensions differ slightly, measuring 6 inches in length. You should select this module if your server accepts standard registered DIMMs and you need a cost-effective replacement that maintains data integrity through error correction.
Samsung 32GB DDR4 ECC RDIMM
This Samsung M393A4K40BB2-CTD increases the memory speed to DDR4-2666 while keeping the 32GB capacity and ECC RDIMM form factor. It offers a performance boost over the original 2400MHz module, making it suitable for servers that support higher frequencies. The single-stick design simplifies upgrades for compatible enterprise hardware. You gain faster data transfer rates if your motherboard allows the speed increase. However, it may not fit systems strictly locked to 2400MHz operation. Choose this alternative if your server infrastructure supports DDR4-2666 and you want improved throughput without changing the 32GB configuration or losing error correction capabilities.
Samsung 32GB DDR4 ECC RDIMM
The Samsung M393A4K40CB2-CTD7Q provides 32GB of DDR4-2666 memory with CL19 latency. It maintains the ECC RDIMM form factor required for server stability. This module offers higher speed than the original 2400MHz part while keeping the same capacity. It fits servers that support DDR4-2666 and need reliable 32GB increments. The CL19 latency is standard for this speed class. You should pick this option if you need brand consistency with Samsung and want faster memory speeds. It is not ideal for systems restricted to 2400MHz operation. This choice balances speed increases with the reliability expected in enterprise environments.
The Nemix RAM module matches the original’s 32GB capacity, DDR4-2400 speed, and ECC RDIMM form factor. It strictly requires 2400MHz speed and 2Rx4 density for stable operation. This makes it a direct replacement for servers that cannot handle higher speeds or different densities. The CL17 latency and 1.2V voltage are standard for DDR4. You should choose this if your system demands exact 2400MHz performance and 2Rx4 configuration. It lacks the Supermicro certification of the original Samsung part. This option is best for users needing a compatible replacement that maintains specific density and speed requirements for stable server operation.
SK Hynix 32GB DDR4 ECC Registered Server RAM
The SK Hynix module offers 32GB of DDR4-2133 memory with CL15 latency. It provides registered ECC support for server stability. This option runs at a lower speed than the original 2400MHz module but features tighter latency. It suits servers needing 32GB single-stick capacity at 2133MHz. You should select this if your system supports lower speeds and prioritizes low latency. It is not suitable for systems requiring 2400MHz or faster. This alternative offers stable registered memory with error correction. It is ideal for enterprise environments where lower frequency but consistent timing is acceptable for your specific hardware configuration.
The Nemix LRDIMM provides 32GB of DDR4-2400 memory with CL17 latency. It uses the LRDIMM form factor, which differs from the original’s RDIMM. This module fits servers needing high-density LRDIMM support. It offers lower speed and higher latency compared to faster RDIMM options. The 1.2V voltage is standard for DDR4. You should choose this if your server specifically requires LRDIMM technology for virtualization workloads. It is not a direct replacement for RDIMM slots. This option serves high-density needs but sacrifices some speed and latency performance compared to standard registered modules.
Quick picks
Our 7 picks
Samsung 32GB DDR4-2400 ECC Registered Server RAM
Best for: Supermicro-certified server upgrades
- Total Capacity
- 32GB
- Memory Speed
- 2400MHz
- ECC Support
- LP 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 Affiliate link
This Samsung module provides 32GB of DDR4-2400 memory with registered ECC support. It is designed for server environments where data integrity and stability are critical. The 2Rx4 configuration offers a balanced architecture for enterprise workloads. You will find this stick fits standard server racks with its low-profile design. It ensures reliable operation for systems requiring error-correcting code capabilities.
Pros
- 32GB capacity for high memory demands
- DDR4-2400 speed standard for servers
- Registered ECC for data integrity
- Supermicro certified compatibility
Cons
- Lower 2400MHz speed compared to 2666MHz alternatives
- Single stick only, not a dual-channel kit
- Limited to server use cases
Good fit if
- You need certified server memory for Supermicro systems
- You require ECC protection for critical data
- You are upgrading a single-slot server configuration
Skip if
- You need higher 2666MHz speeds for better performance
- You are building a standard desktop PC
- You require a matched dual-channel kit
Verdict: Samsung 32GB DDR4-2400 ECC Server RAM is ideal for administrators maintaining Supermicro-certified server infrastructure who prioritize stability over raw speed. It serves as a reliable replacement part for enterprise racks rather than a performance upgrade for general computing.
SK Hynix 32GB DDR4 ECC Registered Server RAM
Best for: servers needing 32GB single-stick capacity
- Total Capacity
- 32 GB
- Memory Speed
- 2133MHz
- CAS Latency
- CL15
- ECC Support
- ECC/Reg
- Compatible Device
- Server
- Size
- 32GB
View on Amazon: SK Hynix 32GB DDR4 ECC Registered Server RAM Affiliate link
This SK Hynix module offers 32GB of DDR4 memory running at 2133MHz. It features ECC/Reg support and a CL15 latency. The 1.2V voltage ensures standard power efficiency for server environments. You get reliable registered memory designed for stability. It fits systems requiring ECC capabilities. The CL15 timing is a specific technical detail for compatibility checks.
Pros
- 32GB capacity for single stick installation
- DDR4-2133 speed rating
- ECC/Reg support for error correction
- CL15 CAS latency
Cons
- Lower 2133MHz speed compared to 2400MHz or 2666MHz alternatives
- Single stick configuration limits dual-channel bandwidth potential
- Registered ECC requires compatible server motherboard
Good fit if
- You need 32GB single-stick capacity
- You require ECC/Reg support
- Your system supports DDR4-2133
Skip if
- You need speeds above 2133MHz
- You are building a standard desktop PC
- You prefer non-registered unbuffered memory
Verdict: SK Hynix 32GB DDR4-2133 ECC/Reg provides stable registered memory with CL15 latency. It suits servers needing 32GB single-stick capacity at 2133MHz.
SK Hynix 32GB DDR4-2400 ECC REG
Best for: server systems requiring ECC stability
- Total Capacity
- 32GB
- Memory Speed
- 2400MHz
- Form Factor
- DIMM
- ECC Support
- ECC REG
- Compatible Device
- Server
- Dimensions
- 6 × 1 × 0.2 inches
View on Amazon: SK Hynix 32GB DDR4-2400 ECC REG Affiliate link
This SK Hynix module provides 32GB of registered DDR4 memory running at 2400MHz. It features ECC support and a registered dual-rank design, making it suitable for server environments. The 288-pin DIMM form factor ensures compatibility with standard server motherboards. You get genuine Hynix memory chips for reliable performance. This kit is a solid option if you need stable, error-correcting memory for business or enterprise hardware.
Pros
- 32GB capacity for robust multitasking
- DDR4-2400 speed standard for servers
- ECC support ensures data integrity
- Registered dual-rank architecture
Cons
- Lower 2400MHz speed compared to 2666MHz alternatives
- Single stick configuration requires matching pair
- No included heatspreader for passive cooling
Good fit if
- You need ECC memory for a server
- You require 32GB per stick capacity
- You prefer registered DIMM stability
Skip if
- You need speeds above 2400MHz
- You are building a consumer desktop
- You want a pre-matched kit
Verdict: SK Hynix 32GB DDR4-2400 ECC REG is a dependable server memory choice for users who prioritize error correction and registered stability over higher clock speeds.
Samsung 32GB DDR4 ECC RDIMM
Best for: Single-stick server memory upgrades
- Total Capacity
- 32GB
- Memory Speed
- 2666 MT/s
- Form Factor
- RDIMM
- ECC Support
- ECC
- Compatible Device
- Server
View on Amazon: Samsung 32GB DDR4 ECC RDIMM Affiliate link
This Samsung module offers 32GB of server-grade memory running at DDR4-2666. It uses the RDIMM form factor and includes ECC support for error correction. The model M393A4K40BB2-CTD6Y is designed for server environments. You get a single stick that fits standard server slots. The speed is higher than the base DDR4-2400 standard, making it a solid upgrade for compatible systems.
Pros
- 32GB capacity for high memory demands
- DDR4-2666 speed exceeds base 2400MHz standard
- ECC support ensures data integrity
- RDIMM form factor for server compatibility
Cons
- Single stick configuration limits dual-channel potential
- Only compatible with server motherboards
- Higher speed may not work on older DDR4-2400 systems
Good fit if
- You need a single 32GB stick for a server
- You want ECC memory for reliability
- Your system supports DDR4-2666 speeds
Skip if
- You are building a standard desktop PC
- You need dual-channel memory kits
- Your server only supports DDR4-2400
Verdict: Samsung 32GB DDR4-2666 ECC RDIMM provides reliable server memory with a speed boost over standard modules. It fits users who need a single high-capacity stick for compatible enterprise hardware.
Samsung 32GB DDR4-2666 ECC RDIMM
Best for: Enterprise servers needing 32GB registered memory
- Total Capacity
- 32GB
- Memory Speed
- DDR4-2666
- CAS Latency
- CL19
- Form Factor
- RDIMM
- ECC Support
- ECC
- Height
- 1 inches
View on Amazon: Samsung 32GB DDR4-2666 ECC RDIMM Affiliate link
This Samsung server memory module offers 32GB of capacity with DDR4-2666 speed. It features ECC support and an RDIMM form factor, making it suitable for enterprise environments. The CAS latency is CL19, which is standard for this speed tier. You get reliable performance for server applications that require error correction and registered memory capabilities.
Pros
- 32GB capacity for high memory demands
- DDR4-2666 speed for efficient data transfer
- ECC support ensures data integrity
- RDIMM form factor for server compatibility
Cons
- CL19 latency is higher than some competitors
- 2Rx4 configuration may limit dual-channel efficiency on some boards
Good fit if
- You need 32GB of registered memory for a server
- You require ECC support for data accuracy
- You are upgrading a compatible DDR4-2666 server system
Skip if
- You need faster DDR4-2933 or higher speeds
- You are building a consumer desktop PC
- You require lower CL16 or faster latency
Verdict: Samsung 32GB DDR4-2666 ECC RDIMM fits servers needing registered memory with error correction. It suits IT professionals maintaining enterprise hardware with specific speed and capacity requirements.
Samsung 32GB DDR4 ECC RDIMM
Best for: Enterprise servers needing 32GB ECC RDIMM
- Total Capacity
- 32GB
- Memory Speed
- 2666
- CAS Latency
- CL19
- Form Factor
- RDIMM
- ECC Support
- ECC
- Compatible Device
- Server
View on Amazon: Samsung 32GB DDR4 ECC RDIMM Affiliate link
This Samsung server module offers 32GB of capacity with DDR4-2666 speed. It features Registered ECC technology for data integrity in enterprise environments. The CL19 latency and 2Rx4 configuration suit standard rack servers. You get reliable performance for virtualization or database workloads. This kit is designed for systems requiring stable, error-correcting memory. It fits well in older platforms supporting DDR4-2666.
Pros
- 32GB capacity per stick
- DDR4-2666MHz speed
- ECC Registered (RDIMM) support
- CL19 CAS latency
- 2Rx4 configuration
Cons
- Lower speed than DDR4-2400 base alternatives
- Higher CL19 latency than CL15 competitors
- Specific model M393A4K40CB2-CTD7Q limits compatibility checks
Good fit if
- You need 32GB ECC RDIMM modules
- You run virtualization or database workloads
- You require Samsung brand reliability
Skip if
- You need DDR5 memory
- You require non-ECC UDIMM
- You need DDR4-3200 or faster speeds
Verdict: Samsung 32GB DDR4-2666 ECC RDIMM Server Memory delivers solid enterprise performance for users who prioritize brand consistency and error correction over maximum speed. It fits servers that support DDR4-2666 and need reliable 32GB increments.
SK Hynix 32GB DDR4-2400 ECC RDIMM
Best for: servers needing standard 2400MHz registered memory
- Total Capacity
- 32GB
- Memory Speed
- DDR4-2400
- CAS Latency
- CL17
- Form Factor
- RDIMM
- ECC Support
- ECC
- Compatible Device
- Server
View on Amazon: SK Hynix 32GB DDR4-2400 ECC RDIMM Affiliate link
This SK Hynix module offers 32GB of DDR4-2400 memory with ECC support. It uses the RDIMM form factor, making it suitable for server environments. The CAS Latency is CL17, which aligns with other 2400MHz options in this comparison. You get reliable error correction for data integrity. It fits systems requiring registered DIMMs at this specific speed tier.
Pros
- 32GB capacity for substantial server memory
- DDR4-2400 speed rating
- ECC support for error correction
- RDIMM form factor for servers
Cons
- CL17 latency is higher than CL15 options on this list
- 2400MHz speed is slower than the 2666MHz alternatives provided
Good fit if
- You need 32GB of registered ECC memory
- Your server requires DDR4-2400 modules
- You prioritize ECC reliability over maximum speed
Skip if
- You require DDR4-2666 speed for better performance
- You want lower CAS Latency than CL17
- Your system only supports unbuffered UDIMM modules
Verdict: SK Hynix 32GB DDR4-2400 ECC RDIMM is a solid choice for servers needing standard 2400MHz registered memory with ECC protection. It suits users who do not need the higher speeds of 2666MHz modules.
Specifications side by side
| Spec | Samsung 32GB DDR4-2400 ECC Registered Server RAM | SK Hynix 32GB DDR4 ECC Registered Server RAM | SK Hynix 32GB DDR4-2400 ECC REG | Samsung 32GB DDR4 ECC RDIMM | Samsung 32GB DDR4-2666 ECC RDIMM | Samsung 32GB DDR4 ECC RDIMM | SK Hynix 32GB DDR4-2400 ECC RDIMM |
|---|---|---|---|---|---|---|---|
| Total Capacity | 32GB | 32 GB | 32GB | 32GB | 32GB | 32GB | 32GB |
| Memory Speed | 2400MHz | 2133MHz | 2400MHz | 2666 MT/s | DDR4-2666 | 2666 | DDR4-2400 |
| CAS Latency | not stated | CL15 | not stated | not stated | CL19 | CL19 | CL17 |
| Form Factor | not stated | not stated | DIMM | RDIMM | RDIMM | RDIMM | RDIMM |
| ECC Support | LP ECC REG | ECC/Reg | ECC REG | ECC | ECC | ECC | ECC |
| Height | not stated | not stated | not stated | not stated | 1 inches | not stated | not stated |
| Compatible Device | Server | Server | Server | Server | Server | Server | Server |
| Size | 32GB | 32GB | 32GB | 32GB | 32GB | 32GB | 32GB |
| Dimensions | 6 × 4 × 0.5 inches | not stated | 6 × 1 × 0.2 inches | not stated | 1 × 1 × 1 inches | not stated | not stated |
| Weight | 1.6 ounces | not stated | not stated | not stated | not stated | not stated | not stated |
| Color | Black | not stated | Multicolor | not stated | Multicolor | Multicolor | not stated |
| Model | M393A4K40BB1-CRC | not stated | HMA84GR7MFR4N-UH | M393A4K40BB2-CTD | M393A4K40CB2-CTD | M393A4K40CB2-CTD7Q | HMA84GR7MFR4N-UH |
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Frequently asked questions
Is SK Hynix 32GB DDR4 ECC Registered Server RAM compatible with Supermicro servers?
Yes, this memory works in Supermicro infrastructure. It provides 32GB of capacity with registered ECC support. The module operates at 2133MHz with CL15 latency. This makes it a stable alternative for servers needing single-stick capacity upgrades while maintaining enterprise reliability standards.
What is the difference between Samsung and SK Hynix 32GB DDR4 ECC REG?
Both offer 32GB capacity with registered ECC support for servers. The Samsung module runs at DDR4-2400, while the SK Hynix option also targets DDR4-2400 speeds. The SK Hynix model is positioned as a budget-friendly choice for administrators prioritizing error correction over higher clock speeds.
Does the Samsung 32GB DDR4 ECC RDIMM support 2666MHz speeds?
Yes, specific Samsung models in this list support 2666MHz speeds. These modules use the RDIMM form factor and include ECC support. They are designed for single-stick server memory upgrades. This speed boost suits users needing higher performance within compatible enterprise hardware constraints.
Can I use CL19 latency RAM in place of CL15 latency?
You can use CL19 latency RAM if your server supports it. The Samsung 32GB DDR4-2666 ECC RDIMM features CL19 latency. While CL15 offers slightly lower latency, CL19 provides reliable performance. Both options maintain ECC support for stable server operations.
Is the Samsung M393A4K40BB1-CRC still the best choice for Supermicro servers?
It remains a top choice for Supermicro-certified upgrades. This module offers 32GB capacity at DDR4-2400 with registered ECC. It prioritizes stability over raw speed. Administrators maintaining enterprise racks often prefer this reliability for critical infrastructure replacements rather than general computing performance.
What form factor do these 32GB server RAM modules use?
These modules primarily use the RDIMM form factor. This stands for Registered DIMM, which includes a register to improve signal integrity. This design is standard for server environments. It ensures stable operation for high-capacity memory configurations in enterprise hardware.
Does SK Hynix 32GB DDR4-2400 ECC REG have error correction?
Yes, it includes ECC support. This feature detects and corrects data errors. The module provides 32GB of capacity at DDR4-2400 speeds. It is a dependable choice for server systems requiring registered stability and error correction capabilities for consistent performance.