Skip to main content
  • $3,049.99
  • Free 30-day Returns
  • Sold by Direct from manufacturerOWC
    4.7 (29 seller ratings)

    Shipped by Direct from manufacturerOWC

    Price alert
    Server System configurator/ABS
    Shop it at NeweggBusiness.

    Meet Your Seller

    OWC 64GB Replacement for Hynix HMCG94AEBRA HMCG94MEBQA109N HMCG94MEBQA112N HMCG94MEBQA121N HMCG94MEBQA123N - DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade

    • ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory.
    • OWC 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered DIMM Memory RAM Module Upgrade, compatible with Hynix part numbers HMCG94AEBRA, HMCG94MEBQA109N, HMCG94MEBQA112N, HMCG94MEBQA121N and HMCG94MEBQA123N.
    • 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
    • MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
    • INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
    +
    +
    Overview
    Specs
    Reviews

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

    OWC DDR5 PC5-38400 4800MHz ECC REGISTERED DIMM SPECIFICATIONS

    Technology DDR5
    Speed PC5-38400 4800MHz CL40
    Form Factor 288PIN ECC REG DIMM
    ECC Type ECC REGISTERED
    Voltage 1.1v
    Compatibility Workstation, NAS System, , Servers, Network Switch
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK 32gb 16gb 8gb 288pin 4800MHz PC5-38400 CL40
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK 32gb 16gb 8gb 288pin 4800MHz PC5-38400 CL40
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK 32gb 16gb 8gb 288pin 4800MHz PC5-38400 CL40

    OWC DDR5 PC5-38400 4800MHz ECC REGISTERED DIMM SPECIFICATIONS

    Technology DDR5
    Speed PC5-38400 4800MHz CL40
    Form Factor 288PIN ECC REG DIMM
    ECC Type ECC REGISTERED
    Voltage 1.1v
    Compatibility Workstation, NAS System, , Servers, Network Switch
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK 32gb 16gb 8gb 288pin 4800MHz PC5-38400 CL40
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK 32gb 16gb 8gb 288pin 4800MHz PC5-38400 CL40
    DDR5 ECC REGISTERED REG MEMORY RAM MODULE DIMM STICK FOR NAS, Server Workstation NETWORK SWITCH
    OWC DDR5 memory is Fully compliant with JEDEC specifications, ROHS compliant, providing a warranty safe upgrade. OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential and speed up overall responsiveness. Become a multitasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. We test every OWC memory module at our in house lab so you can upgrade with the confidence that your memory is built to last.

    We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service. OWC recommends that all DIMMs be the same capacity, speed, and manufacturer to ensure optimal memory performance.

    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: 60 days
    • This item is covered by OWC Return Policy

    Manufacturer Contact Info

    LOADING...

    The OWC 64GB DDR5-4800 ECC Registered RDIMM is a server and workstation memory upgrade for systems that support 288-pin DDR5 RDIMMs, offering 2Rx4, CL40 operation at 1.1V.

    Recommended For

    • Server administrators expanding memory for virtualization or consolidated services, when the server supports 64GB DDR5 ECC RDIMMs and this module’s configuration.
    • Database and data-service operators adding memory for larger in-memory working sets, provided their server platform supports this 64GB DDR5 RDIMM and its required configuration.
    • Workstation users running memory-intensive simulation, rendering, engineering, or design projects on a system that specifically supports DDR5 ECC registered memory.
    • NAS or home-lab operators upgrading a system whose motherboard and processor documentation explicitly calls for DDR5 ECC RDIMMs; check the exact supported capacity, rank, and speed before buying.

    Real-World Use Scenarios

    • A virtualization host is running several VMs for business services or a home lab, and the operator needs more memory to allocate across them; in a compatible server, adding this module increases available capacity, subject to the host’s memory configuration limits.
    • A server is being expanded to host more databases or a larger active dataset; added memory can provide more room for database working data, though the benefit depends on the application and the rest of the system.
    • A home-lab or small-business server runs storage services alongside other workloads, and the owner wants more memory headroom for file-system caching and applications; the actual cache use and benefit depend on the storage software and workload.
    • An IT team is consolidating services onto fewer physical servers and needs capacity for a mix of virtual machines, databases, and backup tasks; this module can contribute memory capacity when the server supports this RDIMM type and its memory rules.
    • A technical team uses a server for analytics or other memory-intensive processing and wants to keep more working data available in memory; extra capacity may help when the workload is memory-bound, but it does not guarantee faster results.