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
A-Tech

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

$208.73 ★★★★½4.5(17 reviews)

*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

BrandA-Tech
Voltage1.5 Volts
RAM Size64 GB
Form Factor240-Pin
Memory Speed1600 MHz
Number of Pins240
Memory GenerationDDR3
Compatible DevicesR620, R640, T520
Data Transfer Rate1600 MHz
Memory Form FactorRDIMM
Additional FeaturesEcc, Lightweight, Registered Memory
Computer Memory Size64 GB
Warranty DescriptionLimited Lifetime Warranty Covering Defects In Materials And Workmanship
RAM Memory TechnologyDDR3

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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.

Related Memory & RAM

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
$208.73
4.5★ (17)
View on Amazon →