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  2. Components & Storage
  3. Memory
  4. Server Memory
  5. NEMIX RAM

  6. Item#: 9SIA7S6APH3211

  • $80.99
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    NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory Compatible with Supermicro H11DSi AMD EPYC Series Motherboard

    Be the first to review this product...
    • NEMIX RAM is a Distributor and Manufacturer of Computer Memory and Storage Upgrades. Specializing in Enterprise Storage RAM for Servers and Workstations along with all Standard and Specialty ECC Memory for NAS & PC/Mac based Computers and Laptops.
    • Our Memory Delivers Enhanced Performance: No Doubt about it, Memory Upgrades are the Easiest, Most Cost Effective Way to Speed Up, Maximize and Boost the Overall Performance of Your Computing Environment.
    • Simple Installation: Typically you can Easily Upgrade the Memory Yourself in a couple of Minutes. Always Refer to your Owners Manual for Detailed Instructions.
    • Our Commitment: To Provide only the Best, Highest Quality, Computer Memory Products in the Industry. Back them with a Lifetime Replacement Warranty, and offer Top Tier Support from a Seasoned IT Support Staff that Completely Understands Memory Upgrades.
    • Once You Install NEMIX RAM You Won't need Anything Else.
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    NEMIX RAM
    NEMIX RAM Computer Memory Solutions
    IT Professionals Trust NEMIX RAM for Mission Critical Environments

     

    There is no Secret to our Success, We Simply put our Customers First!

    Our Staff consists of Experienced IT Professionals who Completely Understand Memory Upgrades.

    Our Memory Products are Designed from the Ground up to Meet and Exceed the Intense Workloads required to operate Large Organizations.

    NEMIX RAM Designs Memory Configurations for All Major OEM Servers, Laptops, AIO All-in-One PC, Workstations and NAS Storage Devices.

     

    Why do IT Professionals and Enthusiast Computer Builders Trust NEMIX RAM?


    You are Purchasing a Memory Solution Designed By an Experienced Staff who will Ensure System Stability and Compatibility.

    All Modules are Rigorously Stress Tested Under Load to Ensure Reliability.

    NEMIX RAM Provides the Best IT Support in the USA.

    And Best of All, NEMIX RAM Guarantee's there Product with a Lifetime Replacement Warranty.

    Once You Install NEMIX RAM You Won't need Anything Else!

     

    nemix ram server memory
    nemix ram desktop memory
    NEMIX RAM Desktop PC Computer Memory Upgrades

    NEMIX RAM Designs Desktop PC Memory Options for all of the Top Name Gaming Machines, Workstations and Motherboard Brands.

     

    Module Types: 

    DDR5 Memory frequency Range : 4800MHZ-6000MHZ - NON-ECC Unbuffered UDIMM

    Capacity Options: 8GB, 16GB, 32GB, 48GB

     

    DDR4 Memory frequency Range: 2133MHZ-3200MHZ - NON-ECC Unbuffered UDIMM

    Capacity Options: 8GB, 16GB, 32GB

     

    DDR3 Memory frequency Range: 1066MHZ-1866MHZ - NON-ECC Unbuffered UDIMM

    Capacity Options: 2GB, 4GB, 8GB, 16GB

     

    DDR2 Memory frequency Range: 533MHZ-800MHZ - NON-ECC Unbuffered UDIMM

    Capacity Options: 2GB, 4GB

     

    Compatible with: MSI, ASRock, ASUS, Gigabyte, Intel + Many More!

    100% Compatibility Guaranteed.

     

     

     

    NEMIX RAM Laptop Memory
    NEMIX RAM Laptop PC Computer Memory

    Need to Speed up Productivity? NEMIX RAM has the solution! 

    Memory Upgrades Available for All Major Brand Laptops, AIO All-in-One and Small Form Factor PC's

     

     

     

    nemix ram server memory
    NEMIX RAM Designs Memory Explicitly for Major OEM Servers and Motherboard Brands

    Supercharge Your Infrastructure with NEMIX RAM

    Get Maximum Performance and Reliability out of your Servers and Workstations

    ECC Registered Server Memory Built and Compatibility Tested Explicitly for Major OEM Servers and Motherboard Brands

    DDR2, DDR3, DDR4, DDR5

    RDIMM, LRDIMM, ECC UDIMM, ECC SODIMM

    Module Capacities: 4GB, 8GB, 16GB, 32GB, 48GB, 64GB, 96GB, 128GB, 256GB

     

    Any System, Any Configuration, NEMIX RAM has the Solution! 

    nemix ram nas memory
    NEMIX RAM NAS Storage Device Memory and Cache Drive Solutions

    NAS Memory and CACHE Drives Solutions for all of the Top Name Devices in the Market.

     

     

     

     

     

     

    nemix ram nemesis series M.2 SSD
    NEMIX RAM NEMESIS M.2 SSD Storage

    Lightning Fast M.2 SSD Storage Drives, Fastest in its Class! 

    NEMIX RAM NEMESIS Series M.2 SSD

    Capacity: 1TB, 2TB, 4TB 

    Spec: M.2 2280 Gen4 PCIe NVMe SSD

    Sequential Read: Up to 7415MB/s

    Sequential Write: Up to 6800MB/s

    Compatible with: PS5 Gaming Consoles, Servers, Workstations, Laptops, AIO All-in-One PC's NAS Storage Devices, Small Form Factor SFF PC's, M.2 Compatible Motherboards.
     

    nemix ram lifetime replacement warranty
    NEMIX RAM 30+ Years of DRAM Industry Knowledge!

    NEMIX RAM is a Leading Supplier of Memory Solutions to Fortune 500 Companies, Academic Institutions, Govt/Military Agencies and the Enthusiast Consumer.

    Memory Designed for Maximum Performance & Compatibility.

    USA Owned and Operated with 30+ Years of DRAM Industry Experience.

    Experienced IT Professionals who Completely Understand Memory Upgrades.

    Top Notch USA Based Technical Support.

    Lifetime Replacement Warranty.

    100% Compatible, Satisfaction Guaranteed.

    NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory Compatible with Supermicro H11DSi AMD EPYC Series Motherboard

    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 NEMIX RAM Return Policy

    Manufacturer Contact Info

    LOADING...

    NEMIX RAM MR21300-814K1 is an 8GB DDR4-2666 ECC registered DIMM for compatible server systems, including the listed Supermicro H11DSi and AMD EPYC platform; it suits builders upgrading memory in systems that require 288-pin 1Rx4 RDIMMs.

    Recommended For

    • Supermicro H11DSi owners with a compatible EPYC configuration who need to add or replace an 8GB DDR4-2666 ECC registered DIMM; verify the board revision, CPU, and memory population before ordering.
    • Homelab and small-server operators maintaining an existing DDR4 ECC RDIMM system who want a single 8GB module for a modest-capacity server or a like-for-like replacement.
    • Owners of older EPYC-based servers seeking an incremental memory upgrade, rather than a complete high-capacity kit, for lightweight services or a basic lab workload.

    Real-World Use Scenarios

    • Replacing a failed or missing DIMM in a compatible Supermicro H11DSi-based server can restore the memory capacity the system lost, while retaining ECC support. Confirm the motherboard revision, CPU, and memory configuration before installation.
    • Adding memory to an existing EPYC virtualization host can provide more room for virtual machines or containers when RAM is the limiting resource. This 8GB module adds only a modest amount, so it is better viewed as an incremental upgrade than enough memory for a large VM workload.
    • Building or upgrading a budget EPYC homelab for learning Proxmox and trying a small number of virtual machines is a plausible use; the module contributes to the host’s total RAM, but 8GB alone is limited for running several guests.
    • Adding RAM to a compatible server used for general applications or a database can increase available memory headroom, especially if the system is currently short on RAM. The practical benefit depends on the workload and the server’s total installed memory.
    • When adding a DIMM to a dual-processor H11DSi system, following the motherboard’s slot-population guidance helps avoid an unbalanced memory setup that can limit performance. Check the manual before choosing a slot.

    Spec Summary

    AttributeValue
    Best ForECC-registered server memory upgrades for systems compatible with the Supermicro H11DSi AMD EPYC Series motherboard
    Capacity And Configuration8GB in a single 8GB module, configured as 1Rx4
    Memory Type And Compatibility288-pin DDR4 RDIMM; compatible with the Supermicro H11DSi AMD EPYC Series motherboard
    Speed And TimingDDR4-2666 (PC4-21300) with CL19 latency
    ECC And RegistrationECC memory with registered buffering
    Module Components And DesignUses memory chips from Samsung, Micron, or Hynix; no heat spreader; black
    Voltage1.20V
    Model IdentifiersNEMIX RAM Supermicro Series Server Memory; model: Supermicro Compatible Server Memory DDR4 RDIMM; part number MR21300-814K1