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Green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC LRDIMM 3L2D44R4128G memory upgrade

SKU CH-CG5P-8T2KH

A 128GB DDR4 3200 ECC load-reduced DIMM for Dell PowerEdge R6525, R750xa and R7525 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 128GB

  • 128 GB capacity expands server memory headroom
  • DDR4 3200 speed with CL22 latency delivers rated throughput
  • ECC load-reduced design protects data integrity in Dell PowerEdge R6525 R750xa R7525
  • 2 V operation meets JEDEC standard for efficient power use
  • Backward compatible with 2133 2400 2666 2933 MHz systems for flexible deployment

Server memory upgrade

The OWC 128GB DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC LRDIMM is a single 128GB module built for Dell PowerEdge R6525, R750xa and R7525 servers. It targets IT teams who need maximum capacity per slot in enterprise workloads.

Replacing lower-capacity LRDIMMs

This module replaces smaller load-reduced DIMMs when the platform supports 4Rx4 density and 3200 MT/s operation. The jump is worth it when memory capacity per channel limits virtualization density or in-memory database performance.

Installing in validated Dell systems

Installation follows standard DIMM seating in the validated Dell PowerEdge models listed. What usually goes wrong is mixing this load-reduced ECC module with unbuffered or registered ECC DIMMs, which the manufacturer highlights as incompatible.

Pontos fortes

  • 128 GB capacity expands server memory headroom
  • DDR4 3200 speed with CL22 latency delivers rated throughput
  • ECC load-reduced design protects data integrity in Dell PowerEdge R6525 R750xa R7525
  • 2 V operation meets JEDEC standard for efficient power use
  • Backward compatible with 2133 2400 2666 2933 MHz systems for flexible deployment

Especificações

BrandOWC
Part Number3L2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge R6525
Dell PowerEdge R750xa
Dell PowerEdge R7525

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Perguntas sobre este artigo

Does this 288-pin DDR4 LRDIMM fit the Dell PowerEdge R6525, R750xa and R7525 memory slots?

Yes, the module is a 288-pin DDR4 ECC Load Reduced DIMM built for those three Dell PowerEdge models and matches their slot keying and 1.2V power rail.

What is the correct installation sequence for the 4Rx4 LRDIMM in a Dell PowerEdge server, and which step is most often missed?

Power down the server, open the chassis, align the notch on the 288-pin edge connector with the slot key, press firmly until both ejector clips lock, then verify in BIOS that the 128GB module appears at 3200MHz CL22; the step most often missed is confirming the BIOS recognises the full capacity and speed before closing the case.

When will this ECC Load Reduced DIMM need replacement, and what should be checked first?

The module itself has no moving parts and typically lasts the server's life; if errors appear, run the system memory diagnostic and reseat the DIMM before considering replacement, and ensure no mixing with unbuffered or registered ECC memory which can cause instability.

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