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64GB RAM Replacement for Samsung M393A8G40AB2-CWE, M393A8G40BB4-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx4 Server Memory
- 64GB ( 1x 64GB Module ) | DDR4 3200 MHz ( PC4-25600 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for Samsung M393A8G40AB2-CWE, M393A8G40BB4-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
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Overview
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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:
M393A8G40AB2-CWE
M393A8G40BB4-CWE
Memory Specs
Memory Size: 64 GB ( 1 x 64 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:
M393A8G40AB2-CWE
M393A8G40BB4-CWE
Memory Specs
Memory Size: 64 GB ( 1 x 64 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
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The A-Tech 64GB DDR4-3200 ECC Registered DIMM is a single-module server memory upgrade for compatible servers and workstations that need more capacity for demanding workloads; verify your system supports 288-pin 2Rx4 RDIMMs.
Recommended For
- Operators of DDR4 servers that support 64GB ECC RDIMMs who need to add memory for hosting more virtual machines or services.
- Server or workstation users with memory-intensive workloads who need an additional 64GB and whose platform supports DDR4-3200 ECC registered 2Rx4 modules.
- Homelab builders running a server platform who want to expand memory for virtual machines, containers, or multiple self-hosted services—and have verified RDIMM support.
- Administrators maintaining a compatible system that uses Samsung M393A8G40AB2-CWE or M393A8G40BB4-CWE modules and needs a matching-capacity replacement.
Real-World Use Scenarios
- When a compatible server is short on memory for several virtual machines, adding this module can increase the RAM available to assign across them and help reduce memory pressure; the result depends on the host’s total memory and workload.
- For a memory-constrained SQL Server, added RAM can give the database more room to keep frequently used pages in its buffer pool, potentially reducing disk reads when memory capacity is the bottleneck.
- When consolidating test, development, or internal server workloads onto one machine, this module can contribute additional capacity for virtual machines and services, provided the server’s processor, motherboard, and memory configuration support it.
- When upgrading an existing DDR4 server with open memory slots, installing this module can raise total system RAM without replacing the current modules, if the platform supports 64GB ECC registered DIMMs and the resulting configuration is supported.
- For workloads that keep large datasets or database working sets in memory, adding RAM may let more data remain cached and reduce memory pressure; it will not necessarily speed up a workload that is limited by CPU, storage, or another resource.