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    Server System configurator/ABS
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    Samsung - M393A4K40CB2-CTD - Samsung 32GB DDR4 SDRAM Memory Module - 32 GB (1 x 32 GB) - DDR4-2666/PC4-21300 DDR4 SDRAM

    • DDR3 1066 (PC3 8500)
    • Registered
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    +
    Overview
    Specs
    Reviews

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

    Proven DRAM Module Solution in the Global Market Samsung's memory modules are designed for a wide range of applications to deliver the best performance with low power requirements.
    Product Type: RAM
    Module CAS Latency: CL19
    Device Supported: Server
    Device Supported: Desktop
    PC Error Checking: ECC Number of
    Pins: 288-pin
    Signal Processing: Registered
    Product Type: RAM
    Module CAS Latency: CL19
    Device Supported: Server
    Device Supported: Desktop
    PC Error Checking: ECC Manufacturer
    Part Number: M393A4K40CB2-CTD Number of
    Modules: 1 x 32 GB Number of
    Pins: 288-pin
    Signal Processing: Registered
    Form Factor: DIMM
    Memory Speed: 2666 MHz
    Form Factor: DIMM
    Manufacturer: Samsung
    Memory Speed: 2666 MHz
    Product Name: 32GB DDR4 SDRAM
    Memory Module Memory Size: 32 GB
    Brand Name: Samsung
    Memory Size: 32 GB
    Brand Name: Samsung
    Memory Technology: DDR4 SDRAM
    Memory Technology: DDR4 SDRAM
    Memory Standard: DDR4-2666/PC4-21300
    Memory Standard: DDR4-2666/PC4-21300
    Memory Voltage: 1.20 V
    Memory Voltage: 1.20 V

    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.
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    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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    The Samsung M393A4K40CB2-CTD is a 32GB registered ECC DDR4-2666 memory module for compatible servers and workstations that need a single-DIMM memory upgrade; confirm the system supports registered DDR4 DIMMs.

    Recommended For

    • Server administrators replacing or adding memory in a DDR4 server that explicitly supports 32GB, 2666 MT/s ECC RDIMMs; verify the server’s memory guide before installation.
    • Homelab operators expanding a virtualization host that already uses compatible DDR4 RDIMMs and needs additional capacity for running multiple virtual machines.
    • Operators maintaining always-on server or storage systems who need ECC-capable memory and whose platform supports this 32GB registered DIMM.
    • Refurbishers or repair technicians matching a failed 32GB 2Rx4 DDR4-2666 RDIMM in a server, provided the system’s supported-memory list and installed DIMM configuration allow it.

    Real-World Use Scenarios

    • On a compatible virtualisation host, adding this module can increase memory available to virtual machines; if RAM capacity is the bottleneck, that may reduce memory pressure when running several VMs at once.
    • For a database or application server that is short on memory, adding the module can provide more room for active data and processes; reduced paging is possible when memory capacity is the limiting factor.
    • When expanding a compatible homelab or used enterprise server, this 32GB module can add capacity for more server workloads; community posts show this model being handled as server-grade ECC registered memory, rather than ordinary desktop RAM.
    • For a server or workstation running long-lived services or data-sensitive jobs, the module’s ECC support can help detect and correct certain memory errors, provided the system supports and enables ECC.
    • Before buying for a desktop upgrade, check the motherboard and processor memory requirements: this is a registered server DIMM, so it will not work in systems that require unbuffered UDIMMs.