A-Tech
A-Tech 128GB Kit (2x64GB) DDR5 6400MHz PC5-51200 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)
Bottom line: The A-Tech 128GB Kit is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ ECC Registered RDIMM; 2Rx4 (EC8, 10x4) - Dual Rank x4; JEDEC DDR5 standard 1.1V
- ✓ Backed by A-Tech's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored A-Tech 128GB Kit (2x64GB) DDR5 6400MHz PC5-51200 ECC RDIMM 2Rx4 (EC8… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. A-Tech's memory & ram lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- A-Tech RAM Memory compatible for select DDR5 Server systems; (WILL NOT WORK with Desktop Computers/PCs or Laptop Computers)
- 128GB RAM Kit (2 x 64GB Modules); DDR5 DIMM 288 Pin; Speeds up to 6400MHz PC5-51200 (PC5-6400B)
- ECC Registered RDIMM; 2Rx4 (EC8, 10x4) - Dual Rank x4; JEDEC DDR5 standard 1.1V
- Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
- Note: EC8 (10x4) ECC Registered modules cannot be mixed with EC4 (9x4) ECC Registered modules or with different ECC types such as ECC Unbuffered, ECC Load Reduced or Non-ECC Unbuffered; (Memory compatibility can vary among different system models and their installed components; please verify compatibility and follow memory channel guidelines to ensure maximum performance)
- Each A-Tech memory module is built and tested for superior performance and trusted reliability
Full Specifications
| Brand | A-Tech |
|---|---|
| Voltage | 1.1 volts |
| RAM Size | 128 GB |
| Form Factor | RDIMM |
| Memory Speed | 6400 MHz |
| Model Number | AT64G2D5D6400RD4EC8N11V |
| Number of Pins | 288 |
| Mfr Part Number | AT64G2D5D6400RD4EC8N11V |
| Compatible Devices | Server |
| Data Transfer Rate | 51200 megabytes_per_second |
| Additional Features | Ecc, Registered Memory |
| Computer Memory Size | 128 GB |
| Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship |
| RAM Memory Technology | DDR5 |
| Column Address Strobe Latency | CL52 |
Ready to buy?
A-Tech 128GB Kit (2x64GB) DDR5 6400MHz PC5-51200 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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