A-Tech
A-Tech 64GB Kit (2x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)
Bottom line: The A-Tech 64GB 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.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ ECC Registered RDIMM; 2Rx4 - Dual Rank x4; JEDEC DDR4 standard 1.2V
- ✓ 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 64GB Kit (2x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual… 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 DDR4 Servers & Workstation systems only; (*WILL NOT WORK with Desktop Computers, Laptop Computers, or PCs of any kind*)
- 64GB RAM Kit (2 x 32GB Modules); DDR4 DIMM 288 Pin; Speeds up to 2133MHz PC4-17000 (PC4-2133P)
- ECC Registered RDIMM; 2Rx4 - Dual Rank x4; JEDEC DDR4 standard 1.2V
- Improves system performance, workload capacity, and reduces bottlenecks by increasing memory (RAM) resources
- 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)
- Each A-Tech memory module is built and tested for superior performance and trusted reliability
Full Specifications
| Brand | A-Tech |
|---|---|
| Voltage | 1.2 Volts |
| RAM Size | 64 GB |
| Model Name | A-Tech Enterprise Series |
| Form Factor | RDIMM |
| Memory Speed | 2133 MHz |
| Model Number | AT32G2D4D2133RD4N12V |
| Item Type Name | Computer RAM Memory |
| Number of Pins | 288 |
| Mfr Part Number | AT32G2D4D2133RD4N12V |
| Memory Generation | DDR4 |
| Compatible Devices | Server, Workstation |
| Data Transfer Rate | 17000 Megabytes Per Second |
| Memory Form Factor | RDIMM |
| Additional Features | Ecc, Registered Memory |
| Computer Memory Size | 64 GB |
| Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship |
| RAM Memory Technology | DDR4 |
| Column Address Strobe Latency | CL15 |
Ready to buy?
A-Tech 64GB Kit (2x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation 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.
Related Memory & RAM
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Is the RTX 3060 12GB Still the Best Sub-$400 AI Card in 2026?
- Ryzen AI Halo vs a DIY RTX 3060 Box for Local LLMs in 2026
- T9 Keyboard for Your Smartphone: 2026 Maker's Guide
- GLM-5.2 Local: What GPU Actually Runs the Top Open-Weights LLM
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5080
- Real Productivity on 32-64GB RAM for Local LLMs
- A Practical Look at the PlayStation Architecture — and Why It Still Matters
- Using a Raspberry Pi 5 with AI to Recover Lost Windows 98 INF Files (2026)
- Intel Arc AI Image Generator: 2025 Setup & Performance Guide
- Run Home Assistant on a Raspberry Pi 4 8GB in 2026 (SSD Boot)
- Single vs. Dual Channel Memory: Intel Core Ultra 7 270K
- Best Parts for a Multi-User Local LLM Server in 2026
- Jellyfin NVENC Transcodes + a Local LLM on One RTX 3060 12GB
- Dual RTX 3060 12GB vs RTX 3090 24GB for Qwen2.5 32B (2026)
- Raspberry Pi 5 + AI HAT: Five Computer-Vision Projects That Actually Run in Real Time
- MAYFLASH F300 vs GameSir G7 SE: Best Controller for PC Fighting Games (2026)
- How to run Llama 3.1 8B on Apple M4 Pro (2026)
- Intel Arc Pro B60 24GB vs RTX 3060 12GB: the VRAM math
- Qwen 3.8 Open Weights on a 12 GB RTX 3060: What Actually Fits
- Best Gaming Mouse Pads for FPS and MOBA in 2026
- Best Motherboard for Ryzen 7 9800X3D in 2026
- Noctua NH-U12S vs CoolerMaster ML240L: Air or AIO for 5800X
- AMD Ryzen AI Halo Ships with a Fully Open-Source Linux Stack
- Running Windows XP Off a 2.5-inch SATA SSD via an IDE Adapter (2026 Guide)
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090