A-Tech
A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual Rank 1.5V Registered DIMM 240-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual… as a solid pick with broad community endorsement in the memory & ram category, based on 47 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. A-Tech's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.2★ customer rating
- ✓ ECC Registered RDIMM; 2Rx4 (Dual Rank x4); JEDEC DDR3 standard 1.5V
- ✓ Backed by A-Tech's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- A-Tech RAM Memory compatible for select DDR3 SERVERS only; *WILL NOT WORK WITH Desktop Computers, Laptop Computers, or PCs of any kind*
- 64 GB Kit, (4 x 16GB Modules); DDR3 DIMM 240-Pin; Speeds up to 1866/1867-MHz, PC3-14900/PC3-14900R
- ECC Registered RDIMM; 2Rx4 (Dual Rank x4); JEDEC DDR3 standard 1.5V
- Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity
- Note: This memory is ECC Registered and cannot be mixed 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)
- All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance
Full Specifications
| Brand | A-Tech |
|---|---|
| Voltage | 1.5 Volts |
| RAM Size | 64 GB |
| Model Name | Enterprise Series |
| Form Factor | DIMM |
| Memory Speed | 1866 MHz |
| Model Number | AT16G4D3D1866RD4N15V |
| Item Type Name | computer-internal-memory |
| Number of Pins | 240 |
| Mfr Part Number | AT16G4D3D1866RD4N15V |
| Memory Generation | DDR3 |
| Compatible Devices | Server |
| Data Transfer Rate | 14900 Megabytes Per Second |
| Memory Form Factor | RDIMM |
Ready to buy?
A-Tech 64GB Kit (4x16GB) DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 Dual Rank 1.5V Registered DIMM 240-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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