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  • $415.81
  • Free 30-day Returns
  • Sold by Direct from manufacturerA-Tech
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    4.7 (356 seller ratings)

    Shipped by Direct from manufacturerA-Tech

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    Server System configurator/ABS
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    64GB RAM Replacement for Samsung M386A8K40BM2-CTD, M386A8K40CM2-CTD, M386A8K40DM2-CTD | DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Server Memory

    • 64GB ( 1x 64GB Module ) | DDR4 2666 MHz ( PC4-21300 ) | DDR4 DIMM ( 288-Pin ) | ECC LRDIMM ( Load Reduced DIMM ) | 1.2V - DDR4 Standard Voltage
    • Compatible Equivalent for Samsung M386A8K40BM2-CTD, M386A8K40CM2-CTD, M386A8K40DM2-CTD
    • 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
    Specs
    Reviews

    Any questions? Ask CelesteSM will help you find out quickly.

    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:
    M386A8K40BM2-CTD
    M386A8K40CM2-CTD
    M386A8K40DM2-CTD


    Memory Specs
    Memory Size: 64 GB ( 1 x 64 GB Module )
    Memory Type: DDR4
    Form Factor: DIMM ( 288 Pin )
    Speed: DDR4 2666 MHz ( PC4-21300 )
    ECC Type: ECC LRDIMM ( Load Reduced 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

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    This A-Tech 64GB DDR4-2666 ECC LRDIMM is a single 288-pin, 4Rx4 server memory module for compatible server and workstation systems, including systems designed for Samsung M386A8K40BM2-CTD, M386A8K40CM2-CTD, or M386A8K40DM2-CTD memory. Verify system memory support before purchase.

    Recommended For

    • Server administrators expanding memory in a compatible DDR4 LRDIMM system when larger databases or server consolidation make capacity more important than choosing memory for maximum speed or lowest latency.
    • Virtualization host operators who need more physical RAM to support memory-intensive VM workloads, provided the server supports 64GB DDR4 LRDIMMs and its memory population rules.
    • IT teams replacing a failed 64GB DDR4 LRDIMM or matching an existing LRDIMM configuration in a supported server; confirm the system accepts the module’s capacity, rank, speed, and exact memory type.
    • Workstation or server operators running memory-heavy, data-sensitive workloads who need ECC memory, if their platform specifically supports ECC LRDIMMs.

    Real-World Use Scenarios

    • On a compatible virtualization host, an administrator adds this module to increase available RAM for several VMs; the extra capacity can support larger VM allocations or more concurrently running guests, depending on the server’s total memory configuration.
    • For a database server that is short on memory, adding compatible LRDIMM capacity can provide more room for a larger database working set or memory allocation; the practical benefit depends on the database, server configuration, and workload.
    • When consolidating services such as web hosting, file sharing, email, and analytics on one virtualization server, the added memory can give the host more capacity to allocate among memory-hungry VMs and services.
    • For high-performance computing or analytics jobs that need substantial working memory, a compatible 64GB module can help expand the server’s capacity for larger or additional workloads; it does not by itself guarantee faster job completion.
    • In a virtual desktop infrastructure host, adding compatible memory can provide more room for desktop instances and their applications, which may ease memory-allocation constraints as the deployment grows.