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Green circuit board with gold edge connector and black memory chips

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC LRDIMM server RAM

SKU CH-9NCR-9JQY3

128GB DDR4 3200 ECC load-reduced DIMM for servers and workstations, CL22 latency at 1.2V with 4Rx4 rank and 288-pin fit

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • High-capacity 128GB module expands server memory headroom
  • DDR4 3200 CL22 speed accelerates data-intensive workloads
  • ECC load-reduced design maintains signal integrity at scale
  • 2V operation reduces power draw per gigabyte
  • Backward compatible with 2133, 2400, 2666 and 2933MHz systems

128GB DDR4 3200 ECC LRDIMM for Servers

This 128GB DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM is built for servers, workstations and NAS systems that require registered ECC memory. It delivers 128GB per module at PC4-25600 speed with JEDEC-standard timings and voltage. The module is designed as a direct replacement for Cisco UCS part numbers UCSML128G4RW and UCSXML128G4RW.

Replaces older DDR4 speeds from 2133 to 2933

The module is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz DDR4 platforms, allowing a straight swap without BIOS changes. The upgrade is worth it when your workload needs the higher 3200MHz data rate or the full 128GB density per slot to reduce the total module count. It will not work in systems that only accept unbuffered or standard registered ECC DIMMs.

Fits 288-pin DDR4 LRDIMM slots only

Installation requires a motherboard with 288-pin DDR4 slots that support Load Reduced ECC memory and 4Rx4 organisation. The module has no heat spreader, so airflow in the chassis must be sufficient for bare DRAM. It cannot be mixed with unbuffered or registered ECC modules, freeing you from matching dissimilar memory types in the same channel.

Points forts

  • High-capacity 128GB module expands server memory headroom
  • DDR4 3200 CL22 speed accelerates data-intensive workloads
  • ECC load-reduced design maintains signal integrity at scale
  • 2V operation reduces power draw per gigabyte
  • Backward compatible with 2133, 2400, 2666 and 2933MHz systems

Caractéristiques

BrandOWC
Part Number3L2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo

Questions sur cet article

Does the 288-pin DDR4 LRDIMM fit a standard server DIMM slot?

Yes, the 288-pin DDR4 LRDIMM form factor matches standard server DIMM slots; verify your platform accepts load-reduced memory before installing.

What is the correct seating procedure for this 128GB module?

Align the notch with the slot key, press firmly until both retention clips click, and confirm the module sits evenly; the step often missed is not pressing both ends simultaneously.

Will this ECC LRDIMM require any firmware updates or periodic replacement?

No firmware updates are needed for the memory itself; the module is designed for the server's lifespan, though system BIOS updates may improve compatibility with 3200MHz operation.

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