16GB Replacement for Samsung M393A2K43EB3-CWE - DDR4 3200MHz PC4-25600 ECC Registered RDIMM 288-Pin 2Rx8 1.2V - Single Server Memory RAM Stick (M393A2K43EB3-CWE-ATC)
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 16GB Replacement for Samsung M393A2K43EB3-CWE - DDR4 3200MHz PC4-25600 ECC Registered RDIMM 288-Pin 2Rx8 1.2V - Single Server Memory RAM Stick (M393A2K43EB3-CWE-ATC) is a niche pick — read recent reviews before buying in the memory & ram category, priced around $188.09. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies A-Tech 16GB Replacement for Samsung M393A2K43EB3-CWE - DDR4 3200MHz… 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 M393A2K43EB3-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
- 16GB Module ( 1x 16GB ) | DDR4 3200 MHz ( PC4-25600 ) | DDR4 DIMM ( 288-Pin ) | RDIMM (ECC Registered DIMM) | 2Rx8 - Dual Rank x8) | 1.2V - DDR4 Standard Voltage
- Compatible Replacement for the Samsung M393A2K43EB3-CWE
- Maximize your system's performance, boost loading speeds and multitask with ease
- 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 | 1.2 Volts |
| RAM Size | 16 GB |
| Model Name | M393A2K43EB3-CWE-ATC |
| Form Factor | DIMM |
| Memory Speed | 3200 MHz |
| Model Number | ARS946 |
| Number of Pins | 288 |
| Mfr Part Number | M393A2K43EB3-CWE-ATC |
| Memory Generation | DDR4 |
| Compatible Devices | Server |
| Data Transfer Rate | 25600 Megabytes Per Second |
| Memory Form Factor | RDIMM |
| Additional Features | Registered Memory |
Ready to buy?
A-Tech 16GB Replacement for Samsung M393A2K43EB3-CWE - DDR4 3200MHz PC4-25600 ECC Registered RDIMM 288-Pin 2Rx8 1.2V - Single Server Memory RAM Stick (M393A2K43EB3-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 2026-05-26. Price and availability subject to change.