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    OWC OWC4R8D51R416GB OWC 16GB DDR5 4800 PC5-38400 CL40 1Rx4 288-pin 1.1V ECC Registered RDIMM Memory RAM Module Upgrade for Select Workstations or Servers

    • RAM Type: DRAM
    • RAM / Technology: DDR5
    • RAM / Installed Qty: 1
    • RAM / Memory Speed: 4800 MHz
    • RAM Form Factor: RDIMM 288-pin
    • RAM CAS Latency ( tCL ): CL40
    • RAM / Storage Capacity: 16 GB
    • Memory / Supply Voltage: 1.1 V
    • Data Integrity Check: ECC
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    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

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    The OWC 16GB DDR5-4800 ECC Registered RDIMM is a 288-pin server memory module for compatible workstations, servers, NAS systems, or network switches that support registered ECC DDR5 memory.

    Recommended For

    • Server operators upgrading a DDR5 system that specifically supports ECC registered RDIMMs; verify the server’s supported capacity, rank, and module list before ordering.
    • Workstation builders using a platform designed for DDR5 RDIMMs, such as a compatible server-class or high-end workstation board, who need registered ECC memory rather than desktop UDIMMs.
    • NAS or storage-server owners whose system documentation calls for DDR5 ECC RDIMMs and who are matching the module to the platform’s approved memory configuration.
    • IT staff replacing a failed or matching DIMM in an existing DDR5-4800 RDIMM system, provided the replacement also matches the system’s supported rank, capacity, and population rules.

    Real-World Use Scenarios

    • When a compatible server is running several virtual machines or containers, adding this module can provide more memory headroom for those workloads; the actual benefit depends on the host’s total RAM and configuration.
    • For a server hosting a business database and its application services, adding supported memory can give the system more room for active workloads; it does not by itself guarantee faster database queries.
    • In a compatible workstation used for several applications and large project files, additional memory can reduce pressure to close apps or reload files when the current system is running short on RAM.
    • For a supported NAS or file server that also runs background services, adding memory can leave more capacity for those services alongside file sharing; the improvement depends on the system’s existing memory use.
    • For a server or workstation expected to run continuously, ECC-registered memory is intended for platforms designed to support it; this module is not a drop-in choice for a standard desktop or a system requiring unbuffered memory.