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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM for Kingston KSM48R40BS8KMM-16HMR server RAM

SKU CH-0KMV-AK60B

16 GB DDR5 4800 CL40 ECC registered RDIMM for Kingston KSM48R40BS8KMM-16HMR server upgrades

  • Capacity16GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 16 GB DDR5 4800 CL40 boosts throughput for heavy workloads
  • 1 V operation lowers power draw per module
  • 288-pin RDIMM form factor fits standard server slots
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

ECC Registered DDR5 Server Memory

This OWC 16 GB DDR5 4800 CL40 module is a JEDEC-standard ECC registered RDIMM built for workstations and servers. It operates at 1.1 V with a 288-pin interface and a single 1Rx8 rank. The part replaces Kingston KSM48R40BS8KMM-16HMR and carries OWC part number 4R8D51R816GB.

For Registered ECC Platforms Only

It suits administrators upgrading or repairing registered ECC DDR5 systems that require CL40 timing at 4800 MT/s. It will not work in standard desktop computers, nor can it be mixed with unbuffered or load-reduced ECC modules. Buyers needing non-ECC consumer memory or higher-density sticks should look elsewhere.

16 GB Capacity At DDR5 4800

The 16 GB module handles typical virtualisation workloads, database buffers and multi-threaded applications within a registered memory architecture. Headroom is limited by the single-rank design and fixed CL40 latency; larger datasets or higher-throughput configurations will require additional DIMM slots or higher-capacity registered modules.

Points forts

  • ECC registered design protects data integrity in servers
  • 16 GB DDR5 4800 CL40 boosts throughput for heavy workloads
  • 1 V operation lowers power draw per module
  • 288-pin RDIMM form factor fits standard server slots
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number4R8D51R816GB
Capacity16GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo

Questions sur cet article

What server motherboard slot does this 288-pin DDR5 RDIMM require?

It installs in a DDR5 288-pin RDIMM slot on a server or workstation board that supports registered ECC memory.

Can I add this 1Rx8 CL40 module to existing unbuffered DDR5 DIMMs in my server?

No, registered ECC RDIMMs cannot be mixed with unbuffered or load-reduced memory; all slots must use registered ECC modules.

How do I verify the module is running at 4800 MT/s with CL40 after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report DDR5-4800, PC5-38400 and CAS latency 40.

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