A-Tech 64GB (4x16GB) RAM for Dell PowerEdge R320, R420, R420XR, R520, R620, R720, R720XD, R820, R920 | DDR3 1600MHz ECC-RDIMM PC3-12800 2Rx4 1.5V ECC Registered DIMM Server Memory Upgrade Kit
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies A-Tech 64GB (4x16GB) RAM for Dell PowerEdge R320, R420, R420XR, R520,… as a solid pick with broad community endorsement in the memory & ram category, based on 17 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. A-Tech's positioning sits comfortably above the category median. 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
- ✓ Highly rated — 4.5★ average across customer reviews
- ✓ 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
- Capacity: 64GB (4x 16GB Modules) | Type: DDR3 DIMM 240-Pin | ECC Type: ECC-RDIMM (Registered DIMM) | Speed: 1600MHz PC3-12800 / (PC3-12800R) | Rank: 2Rx4 (Dual Rank x4) | Voltage: 1.5V
- Designed for the Dell PowerEdge Rack Server Models: R320, R420, R420XR, R520, R620, R720, R720XD, R820, R920
- Compatible with Intel Pentium 1400 series, Xeon E5-1410/E5-1410 v2 series, Xeon E5-2400/E5-2400 v2 series, Xeon E5-2600/E5-2600 v2 series, E5-4600/E5-4600 v2 series, Xeon E7-2800 v2 series, Xeon E7-4800 v2 series, and Xeon E7-8800 v2 series CPU Processors
- This item is ECC Registered memory and is NOT compatible with Desktop or Laptop systems which only support NON-ECC Unbuffered memory | *Please refer to your system's manual for proper memory seating and channel guidelines*
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
Full Specifications
| Brand | A-Tech |
|---|---|
| Voltage | 1.5 Volts |
| RAM Size | 64 GB |
| Form Factor | 240-Pin |
| Memory Speed | 1600 MHz |
| Number of Pins | 240 |
| Memory Generation | DDR3 |
| Compatible Devices | R620, R640, T520 |
| Data Transfer Rate | 1600 MHz |
| Memory Form Factor | RDIMM |
| Additional Features | Ecc, Lightweight, Registered Memory |
| Computer Memory Size | 64 GB |
| Warranty Description | Limited Lifetime Warranty Covering Defects In Materials And Workmanship |
| RAM Memory Technology | DDR3 |
Ready to buy?
A-Tech 64GB (4x16GB) RAM for Dell PowerEdge R320, R420, R420XR, R520, R620, R720, R720XD, R820, R920 | DDR3 1600MHz ECC-RDIMM PC3-12800 2Rx4 1.5V ECC Registered DIMM Server Memory Upgrade Kit 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.