A-Tech
A-Tech 32GB RAM Replacement for Samsung M391A4G43AB1-CWE | DDR4 3200MHz PC4-25600E ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered Server Memory Module (M391A4G43AB1-CWE-ATC)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies A-Tech 32GB RAM Replacement for Samsung M391A4G43AB1-CWE | DDR4 3200M… as a niche pick — read recent reviews before buying in the memory & ram category, based on limited Amazon review volume so far 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
- ✓ Compatible Replacement for the Samsung M391A4G43AB1-CWE
- ✓ Backed by A-Tech's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- 32GB Module ( 1x 32GB ) | DDR4 3200 MHz ( PC4-25600E ) | DDR4 DIMM ( 288-Pin ) | UDIMM ( ECC Unbuffered DIMM ) | 2Rx8 - ( Dual Rank x8 ) | 1.2V - DDR4 Standard Voltage
- Compatible Replacement for the Samsung M391A4G43AB1-CWE
- Maximize your system's performance, boost loading speeds and multitask with ease
- This item is ECC 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 | 1.2 Volts |
| RAM Size | 32 GB |
| Model Name | M391A4G43AB1-CWE-ATC |
| Form Factor | DIMM |
| Memory Speed | 3200 MHz |
| Model Number | M391A4G43AB1-CWE-ATC |
| Item Type Name | computer-internal-memory |
| Number of Pins | 288 |
| Mfr Part Number | M391A4G43AB1-CWE-ATC |
| Compatible Devices | Samsung M391A4G43AB1-CWE, Server, WORKSTATIONS |
| Data Transfer Rate | 25600 Megabytes Per Second |
| Additional Features | Compatible with Samsung M391A4G43AB1-CWE |
| Computer Memory Size | 32 GB |
Ready to buy?
A-Tech 32GB RAM Replacement for Samsung M391A4G43AB1-CWE | DDR4 3200MHz PC4-25600E ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered Server Memory Module (M391A4G43AB1-CWE-ATC) 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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