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Green 288-pin DDR5 ECC registered RDIMM module, no heat spreader

OWC

OWC 128GB DDR5 4800 CL40 4Rx4 ECC Registered RDIMM memory upgrade

SKU CH-F922-RFQVQ

Adds 128 GB of DDR5-4800 ECC registered memory to compatible Lenovo ThinkSystem servers

  • Capacity128GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB

  • 128 GB single module maximises server capacity
  • DDR5 4800 CL40 delivers registered ECC reliability
  • 1 V operation reduces power draw per DIMM
  • 4Rx4 288-pin RDIMM fits ThinkSystem SR675 V3 SR850 V3 SR860 V3 ST650 V3
  • Replaces Lenovo part numbers 4X71M22551 4X77A77034 4X77A81443

OWC 128GB DDR5 ECC RDIMM

This single 128GB module is a DDR5-4800 PC5-38400 CL40 registered DIMM with 4Rx4 organisation and 1.1V operation. It carries ECC and is built for Lenovo ThinkSystem SR675 V3, SR850 V3, SR860 V3 and ST650 V3 servers.

Check 288-pin DDR5 ECC registered slots

Verify your server has free 288-pin DDR5 slots that accept registered ECC RDIMMs. Do not mix this module with unbuffered or load-reduced memory. Confirm the platform supports 4Rx4 ranks at 4800 MT/s before ordering.

Suits ThinkSystem SR675 V3 SR850 V3 SR860 V3 ST650

Ideal for expanding memory in the listed Lenovo ThinkSystem servers. Not for standard desktops, workstations requiring unbuffered DIMMs, or systems that only accept load-reduced memory. Buyers needing smaller capacities or different rank configurations should look elsewhere.

Points forts

  • 128 GB single module maximises server capacity
  • DDR5 4800 CL40 delivers registered ECC reliability
  • 1 V operation reduces power draw per DIMM
  • 4Rx4 288-pin RDIMM fits ThinkSystem SR675 V3 SR850 V3 SR860 V3 ST650 V3
  • Replaces Lenovo part numbers 4X71M22551 4X77A77034 4X77A81443

Caractéristiques

BrandOWC
Part Number4R8D54R4128G
Capacity128GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem SR675 V3
Lenovo ThinkSystem SR850 V3
Lenovo ThinkSystem SR860 V3
Lenovo ThinkSystem ST650 V3

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Questions sur cet article

What comes in the box and is anything else needed to install it?

The package contains one 128GB DDR5 4800 CL40 4Rx4 ECC Registered 288-pin RDIMM module; no extra parts or cables are required for installation.

How do I choose between the listed Lenovo ThinkSystem models SR675 V3, SR850 V3, SR860 V3 and ST650 V3?

The module is validated for all four platforms; select the one that matches your server and populate slots according to the system's memory configuration guide.

What does the DDR5 4800 (PC5-38400) rating mean for real-world server performance?

The rating indicates the module operates at 4800 MT/s with CL40 latency at 1.1V, providing ECC error correction and registered buffering for stable throughput in supported ThinkSystem servers.

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