Your Browsing History
Meet Your Seller
Visit A-Tech Store
FOLLOW
16GB RAM Replacement for Samsung M393A2K40DB2-CWE, M393A2K40DB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
- 16GB ( 1x 16GB Module ) | DDR4 3200 MHz ( PC4-25600 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for Samsung M393A2K40DB2-CWE, M393A2K40DB3-CWE
- High performance Memory RAM upgrade designed for Server/Workstation Systems
- All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
+
+
Overview
Specs
Reviews
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!
Compatible Memory Module Replacement for Samsung:
M393A2K40DB2-CWE
M393A2K40DB3-CWE
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 3200 MHz ( PC4-25600 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Compatible Memory Module Replacement for Samsung:
M393A2K40DB2-CWE
M393A2K40DB3-CWE
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 3200 MHz ( PC4-25600 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by A-Tech Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
LOADING...
The A-Tech 16GB DDR4-3200 ECC Registered DIMM is a single-module server memory upgrade for compatible servers and workstations, and is listed as an equivalent replacement for Samsung M393A2K40DB2-CWE and M393A2K40DB3-CWE.
Recommended For
- Server administrators replacing a failed 16GB DDR4-3200 ECC RDIMM in a system that supports the module’s 1Rx4 registered-memory configuration.
- Homelab builders running a DDR4 server platform who need a compatible RDIMM for a virtualization, storage, or container host; confirm the motherboard and CPU support ECC registered memory first.
- Workstation owners using a board and processor that specifically support DDR4 ECC RDIMMs, when they need a single 16GB module rather than a consumer desktop memory stick.
- Operators of a supported server model listed for the equivalent Samsung module who want to match its 16GB, DDR4-3200, 1Rx4 ECC registered-memory specifications.
Real-World Use Scenarios
- When a compatible server is running short on memory, adding this 16GB module can give the operating system and applications more room to work, which may reduce slowdowns caused by memory pressure; the benefit depends on the workload and the server’s supported memory configuration.
- For a supported virtualization host, adding memory can provide more capacity for existing virtual machines or help accommodate another VM when memory is the limiting resource; it does not by itself increase CPU or storage capacity.
- On a compatible database or application server, the extra memory can give the workload more room for active data and processes, potentially easing memory pressure when RAM is the bottleneck; actual database performance depends on the full server and workload.
- If a compatible server reports a failed or error-prone memory module, replacing it with a supported ECC RDIMM can restore usable memory capacity and ECC error correction; confirm the server’s DIMM requirements before installing it.
- For workstation tasks that keep several large projects or applications open, adding the module may reduce memory-related slowdowns if the system is running out of RAM, provided the workstation supports ECC registered DIMMs.














