Kingston KCP426NS6/4 DDR4-4 GB Alternatives: 6 Similar Picks Compared
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You are looking for kingston kcp426ns6 4 ddr4 4 gb alternatives to expand your desktop memory. This original stick offers 4 GB of DDR4 SDRAM at 2666 MHz with a CL19 latency and 1.2 V voltage. It fits basic desktop upgrades where simple compatibility matters more than high speed. The non-ECC, unbuffered design ensures it works with standard consumer motherboards.
You might want different specifications for your system. Some users need 8 GB or 32 GB for better multitasking. Others prefer laptop SODIMM modules instead of desktop UDIMMs. This list compares 6 similar picks that share key specs like 2666 MHz speed and CL19 latency. We selected these options because their published data overlaps with the original Kingston module. You can choose based on capacity, form factor, or brand preference without sacrificing core performance standards.
Our top pick: Kingston 4GB DDR4-2666 Desktop RAM.
How each alternative compares
Timetec 32GB DDR4 2666MHz UDIMM Kit
The Timetec 32GB kit offers significantly more capacity than the 4GB Kingston stick. It uses two 16GB modules for a total of 32GB, which helps with heavy multitasking and content creation. Like the Kingston, it runs at 2666MHz with CL19 latency and 1.2V voltage. It is a UDIMM for desktops. You get more space for your applications, but you must use two slots. This option is best if you need ample memory for demanding tasks rather than just basic compatibility.
TEAMGROUP Elite 8GB DDR4 2666MHz UDIMM RAM
The TEAMGROUP Elite provides 8GB, which is double the Kingston’s 4GB. It is a single stick UDIMM for desktops. The speed and latency remain identical at 2666MHz and CL19. The voltage is also 1.2V. This upgrade gives you more room for basic desktop tasks without changing your system’s timing profile. It is a straightforward replacement or addition for users who need slightly more memory. The physical dimensions differ slightly, but it fits standard desktop slots. It is ideal for basic upgrades needing 8GB.
Timetec 16GB DDR4 2666MHz SODIMM RAM
This Timetec stick is a SODIMM, designed for laptops, not desktops. It offers 16GB, which is four times the Kingston’s capacity. It runs at 2666MHz with CL19 latency and 1.2V voltage. The form factor is different, so it only fits portable devices. If you are upgrading a laptop, this provides a substantial memory boost. It delivers reliable single-channel performance for everyday computing. It is not compatible with the Kingston’s desktop slot, but it serves laptop owners needing a straightforward 16GB upgrade.
Adamanta 32GB DDR4 2666MHz SODIMM
The Adamanta 32GB kit is also a SODIMM for laptops. It provides 32GB total, using two 16GB modules. The speed is 2666MHz with CL19 latency and 1.2V voltage. It offers high capacity for users prioritizing memory space over speed. The physical size is smaller than the desktop DIMM. It suits users needing a significant memory boost in a portable device. It is not a direct replacement for the desktop Kingston stick. It is best for laptop memory upgrades where 32GB capacity is the primary goal.
Timetec 32GB DDR4 2666MHz SODIMM Kit
This Timetec 32GB kit is a SODIMM set for laptops and mini PCs. It contains two modules for 32GB total capacity. It runs at 2666MHz with CL19 latency and 1.2V voltage. The form factor is different from the desktop Kingston stick. It fits 260-pin slots in portable devices. This option provides ample capacity for demanding portable workflows. It is not suitable for desktops. It is a solid upgrade path for users who need more memory in a laptop or small form factor PC.
Nemix RAM 32GB DDR4 2666MHz Desktop UDIMM
The Nemix RAM 32GB is a UDIMM for desktops, matching the Kingston’s form factor. It offers 32GB in a single stick, which is eight times the Kingston’s capacity. The speed is 2666MHz with CL19 latency and 1.2V voltage. It allows for high capacity in one slot. This is ideal for users prioritizing total memory over dual-channel speed. It fits standard desktop slots. It is a straightforward upgrade for desktops needing significant memory expansion without using multiple slots. It gives you more space for your applications.
Quick picks
Our 7 picks
Kingston 4GB DDR4-2666 Desktop RAM
Best for: Basic desktop upgrades and legacy systems
- Total Capacity
- 4 GB
- Memory Speed
- 2666 MHz
- CAS Latency
- CL19
- Voltage
- 1.2 V
- Module Configuration
- 1x4GB
- Form Factor
- DIMM
View on Amazon: Kingston 4GB DDR4-2666 Desktop RAM Affiliate link
This Kingston module provides 4 GB of DDR4 memory running at 2666 MHz. It uses a standard 1.2V voltage and features CL19 latency. The module is designed for desktop PCs and includes an unbuffered, non-ECC configuration. You need this kit if you are upgrading an older system or require a basic memory replacement. It fits into standard 288-pin DIMM slots.
Pros
- 2666 MHz speed for standard desktop performance
- Low 1.2V power consumption
- CL19 latency timing
- Unbuffered non-ECC design for compatibility
Cons
- Only 4 GB capacity limits multitasking
- Single stick configuration may lack dual-channel benefits
- No heat spreader for thermal management
Good fit if
- You need a basic memory upgrade for an office PC
- You are replacing a failed stick in a legacy system
- You require a low-voltage DDR4 module for compatibility
Skip if
- You need high capacity for gaming or video editing
- You require dual-channel performance for better bandwidth
- You are building a modern high-performance workstation
Verdict: Kingston 4GB DDR4 2666MHz Desktop RAM serves users needing a simple, compatible upgrade for basic desktop tasks. It is ideal for systems where 4 GB is sufficient for daily operations.
Timetec 32GB DDR4 2666MHz UDIMM Kit
Best for: Desktop multitasking and content creation
- Total Capacity
- 32GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 2x16GB
- Form Factor
- UDIMM
View on Amazon: Timetec 32GB DDR4 2666MHz UDIMM Kit Affiliate link
This Timetec kit gives you 32GB of DDR4 memory in a 2x16GB configuration. It runs at 2666MHz with CL19 latency and 1.2V voltage. The modules use a 288-pin UDIMM form factor suitable for desktop PCs. It features dual-rank (2Rx8) architecture and non-ECC support. This setup is designed for users needing higher capacity for multitasking or creative workloads on compatible desktop systems.
Pros
- Provides 32GB total capacity via two 16GB modules
- Operates at 2666MHz speed with CL19 latency
- Uses standard 1.2V voltage for efficiency
- Includes a limited lifetime warranty from the manufacturer
Cons
- Higher CL19 latency compared to tighter timings
- Limited to desktop UDIMM slots, not for laptops
- Non-ECC support restricts use in server environments
Good fit if
- You need 32GB of RAM for heavy multitasking
- You are upgrading a desktop PC with UDIMM slots
- You want a dual-rank configuration for stability
Skip if
- You are installing memory in a laptop
- You require ECC error correction for servers
- You need speeds faster than 2666MHz
Verdict: Timetec 32GB DDR4-2666 Desktop Kit is a solid upgrade for desktop users who need ample capacity for demanding tasks. It fits those prioritizing storage space over ultra-low latency.
TEAMGROUP Elite 8GB DDR4 2666MHz UDIMM RAM
Best for: basic desktop upgrades needing 8GB
- Total Capacity
- 8GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 1x8GB
- Form Factor
- UDIMM
View on Amazon: TEAMGROUP Elite 8GB DDR4 2666MHz UDIMM RAM Affiliate link
This single stick of DDR4 memory runs at 2666MHz with a CAS Latency of CL19. It operates at a low 1.2V and fits standard 288-pin desktop slots. The 8GB capacity is ideal for basic computing tasks. It meets JEDEC specifications and holds QVL approval from major motherboard makers. You get a reliable, non-ECC module for everyday use.
Pros
- 2666MHz memory speed for standard performance
- Low 1.2V operating voltage for efficiency
- CL19 latency for predictable timing
- QVL approved by mainstream motherboard manufacturers
Cons
- Only 8GB capacity limits multitasking
- Single stick configuration prevents dual-channel performance
- Non-ECC support lacks error correction
Good fit if
- You need a simple upgrade for a basic desktop
- You are adding memory to a system that supports single-channel operation
- You want a JEDEC-compliant module with QVL approval
Skip if
- You require more than 8GB of RAM for heavy workloads
- You need dual-channel performance for better bandwidth
- You are building a system that requires ECC memory
Verdict: TEAMGROUP Elite 8GB DDR4-2666 is a straightforward, low-voltage memory stick for users who only need 8GB of RAM. It fits basic desktops that do not require dual-channel speeds or error correction.
Timetec 16GB DDR4 2666MHz SODIMM RAM
Best for: laptop upgrades needing 16GB single stick
- Total Capacity
- 16GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 1x16GB
- Form Factor
- SODIMM
View on Amazon: Timetec 16GB DDR4 2666MHz SODIMM RAM Affiliate link
This is a single 16GB DDR4 SODIMM module rated for 2666MHz at 1.2V and CL19 latency. It uses a 260-pin non-ECC unbuffered design for laptops and mini PCs. You get plug-and-play installation without needing special expertise. The module includes a limited lifetime warranty from Timetec. It fits systems requiring 260-pin SODIMM memory.
Pros
- 16GB single module capacity
- 2666MHz memory speed
- 1.2V low voltage operation
- CL19 CAS latency
- Limited lifetime warranty
Cons
- Single module limits multi-channel performance
- Not compatible with desktop DIMM slots
- PCB color and rank may vary by batch
Good fit if
- You need a single 16GB stick for a laptop upgrade
- You want a plug-and-play SODIMM for a mini PC
- You require 2666MHz speed for compatible systems
Skip if
- You are building a desktop computer with DIMM slots
- You need a dual-channel kit for maximum bandwidth
- You require ECC memory for server stability
Verdict: Timetec 16GB DDR4 2666MHz SODIMM fits laptop owners who need a straightforward 16GB upgrade. It delivers reliable single-channel performance for everyday computing tasks.
Adamanta 32GB DDR4 2666MHz SODIMM
Best for: laptop memory upgrades needing 32GB capacity
- Total Capacity
- 32GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2v
- Module Configuration
- 2x16GB
- Form Factor
- SODIMM
View on Amazon: Adamanta 32GB DDR4 2666MHz SODIMM Affiliate link
This is a 32GB kit of DDR4 SODIMM memory designed for laptops. It operates at 2666MHz with a CL19 latency and 1.2V voltage. The modules are 2Rx8 and non-ECC. It fits in standard laptop slots. You get a limited lifetime warranty from Adamanta. This kit offers a solid upgrade path for older systems that support DDR4 speeds.
Pros
- 32GB total capacity via two 16GB sticks
- 2666MHz speed with CL19 latency
- Low 1.2V power consumption
- Limited lifetime warranty included
Cons
- Higher CL19 latency than faster DDR4 kits
- SODIMM form factor limits use to laptops
- No mention of XMP profile support
Good fit if
- You need a 32GB upgrade for a laptop
- You want a limited lifetime warranty
- You are upgrading an older laptop system
Skip if
- You require desktop DIMM modules
- You need speeds above 2666MHz
- You want ECC memory for workstations
Verdict: Adamanta 32GB DDR4 2666MHz SODIMM provides reliable capacity for laptops needing a memory boost. It suits users prioritizing warranty coverage and standard DDR4 compatibility over high-speed performance.
Timetec 32GB DDR4 2666MHz SODIMM Kit
Best for: laptop memory upgrades to 32GB
- Total Capacity
- 32GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 2x16GB
- Form Factor
- SODIMM
View on Amazon: Timetec 32GB DDR4 2666MHz SODIMM Kit Affiliate link
This Timetec kit provides 32GB of DDR4 memory across two 16GB modules. It runs at 2666MHz with CL19 latency on 260-pin SODIMM slots. The 1.2V voltage supports efficient operation in laptops and mini PCs. You get plug-and-play installation without needing technical expertise. This option suits users who need a significant memory boost for portable systems or all-in-one computers that require SODIMM form factors.
Pros
- 32GB total capacity via 2x16GB modules
- 2666MHz speed for responsive multitasking
- 1.2V low voltage operation
- CL19 CAS latency timing
- 260-pin SODIMM form factor
Cons
- Non-ECC memory lacks error correction
- Not compatible with desktop DIMM slots
- PCB color and rank may vary by batch
Good fit if
- You need to upgrade a laptop to 32GB
- You own a mini PC with SODIMM slots
- You want a plug-and-play memory upgrade
Skip if
- You are building a desktop computer
- You require ECC memory for stability
- You need UDIMM form factor modules
Verdict: Timetec 32GB DDR4-2666 SODIMM Kit is a solid upgrade path for laptops and mini PCs that support 260-pin slots. It delivers ample capacity for demanding portable workflows.
Nemix RAM 32GB DDR4 2666MHz Desktop UDIMM
Best for: single-slot desktop memory expansion
- Total Capacity
- 32GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 1x32GB
- Form Factor
- UDIMM
View on Amazon: Nemix RAM 32GB DDR4 2666MHz Desktop UDIMM Affiliate link
This is a single 32GB DDR4 stick running at 2666MHz. It uses a 288-pin UDIMM form factor for desktops. The module operates at 1.2V with CL19 latency. It is non-ECC and unbuffered. You get more memory in one slot. This helps with multitasking and gaming. It fits standard desktop towers. Check your motherboard support first.
Pros
- Single 32GB capacity maximizes slot usage
- 2666MHz speed matches common desktop standards
- Low 1.2V power consumption
- Lifetime replacement warranty included
Cons
- Single stick configuration limits dual-channel performance
- No heat spreader for thermal management
- Only one kit option available
Good fit if
- You need a quick 32GB upgrade
- You have only one free DIMM slot
- You run many apps simultaneously
Skip if
- You require dual-channel memory speed
- You use a laptop computer
- You need ECC memory support
Verdict: Nemix RAM 32GB DDR4 2666MHz UDIMM is a straightforward upgrade for desktops needing high capacity in one slot. It suits users prioritizing total memory over channel speed.
Specifications side by side
| Spec | Kingston 4GB DDR4-2666 Desktop RAM | Timetec 32GB DDR4 2666MHz UDIMM Kit | TEAMGROUP Elite 8GB DDR4 2666MHz UDIMM RAM | Timetec 16GB DDR4 2666MHz SODIMM RAM | Adamanta 32GB DDR4 2666MHz SODIMM | Timetec 32GB DDR4 2666MHz SODIMM Kit | Nemix RAM 32GB DDR4 2666MHz Desktop UDIMM |
|---|---|---|---|---|---|---|---|
| Total Capacity | 4 GB | 32GB | 8GB | 16GB | 32GB | 32GB | 32GB |
| Memory Speed | 2666 MHz | 2666MHz | 2666MHz | 2666MHz | 2666MHz | 2666MHz | 2666MHz |
| CAS Latency | CL19 | CL19 | CL19 | CL19 | CL19 | CL19 | CL19 |
| Voltage | 1.2 V | 1.2V | 1.2V | 1.2V | 1.2v | 1.2V | 1.2V |
| Module Configuration | 1x4GB | 2x16GB | 1x8GB | 1x16GB | 2x16GB | 2x16GB | 1x32GB |
| Form Factor | DIMM | UDIMM | UDIMM | SODIMM | SODIMM | SODIMM | UDIMM |
| ECC Support | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC | Non-ECC |
| Height | 0.39 inches | not stated | 1.97 inches | not stated | not stated | not stated | not stated |
| Compatible Device | not stated | Desktop | Desktop, PC | PC, Laptop | Laptop | PC, Laptop | Desktop, PC |
| Size | 4 Gb | Dual Rank 32GB KIT(2x16GB) | 8GB Kit (1x8GB) | 16GB | (2x16GB) 32GB | not stated | 32GB (1X32GB) DDR4 2666MHZ UDIMM |
| Dimensions | 1.97 × 6.3 × 0.39 inches | not stated | 5.91 × 3.94 × 1.97 inches | not stated | 2.63 × 0.13 × 1.13 inches | not stated | 8 × 3 × 1 inches |
| Weight | 1 ounces | not stated | 1.06 ounces | not stated | not stated | not stated | not stated |
| Color | Multicolor | Multicolor | Single Channel | Black | 2666MHz | not stated | not stated |
| Model | KCP426NS6/4 | 7 | TED48G2666C1901 | 76HN26NUS1R | AM52SE22G64-SQ | not stated | MD21300-328K01 |
Frequently asked questions
Can I replace my 4GB Kingston stick with the Timetec 32GB kit?
Yes, you can install the Timetec 32GB kit in your desktop. It uses two 16GB modules running at 2666MHz with CL19 latency. This upgrade provides significantly more capacity for multitasking and content creation compared to the original 4GB stick. Both operate at 1.2V voltage.
Is there a better budget option for 8GB of desktop RAM?
The TEAMGROUP Elite 8GB DDR4-2666 is a strong budget choice. It offers a single 8GB module with CL19 latency and 1.2V voltage. It fits basic desktop upgrades that do not require dual-channel speeds or error correction, making it a straightforward replacement for higher capacity needs.
Does the Kingston KCP426NS6/4 support ECC memory?
No, the Kingston KCP426NS6/4 does not support ECC. It is a Non-ECC module designed for standard desktop use. All listed alternatives also use Non-ECC technology, which is typical for consumer desktops and laptops that do not require error correction features.
What form factor should I look for if I have a laptop?
You should look for SODIMM form factor modules. The Timetec 16GB and Adamanta 32GB options are SODIMM sticks designed for laptops. They fit 260-pin slots and run at 2666MHz with CL19 latency, providing reliable performance for portable computing tasks without the bulk of desktop UDIMM sticks.
Can I use a single 32GB stick for my desktop upgrade?
Yes, the Nemix RAM 32GB UDIMM allows for a single-stick upgrade. It provides high capacity in one slot, which suits users prioritizing total memory over dual-channel speed. It runs at 2666MHz with CL19 latency and 1.2V voltage, fitting standard desktop motherboards.
Do all these alternatives run at the same voltage as the Kingston?
Yes, all listed alternatives operate at 1.2V voltage. This matches the Kingston KCP426NS6/4 specification. Consistent voltage ensures compatibility with standard DDR4 systems. All modules also share the 2666MHz speed and CL19 latency, maintaining similar performance characteristics across different brands and capacities.






