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Eight green DDR4 LRDIMM modules in anti-static packaging

OWC

OWC 1TB (8×128GB) DDR4 2933 PC4-23400 CL21 4Rx4 288-pin 1.2V ECC LRDIMM Kit Dell PowerEdge R840 R940xa

SKU CH-1JZ6-NG68M

Eight 128 GB DDR4 2933 ECC LRDIMMs totalling 1 TB for Dell PowerEdge R840 and R940xa servers

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1 TB total capacity from eight 128 GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4-2933 CL21 at 1.2 V for efficient performance
  • Qualified for Dell PowerEdge R840 and R940xa
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Server Memory Upgrade Kit

This OWC kit supplies 1 TB of DDR4 ECC Load Reduced memory in eight 128 GB modules. It is built for Dell PowerEdge R840 and R940xa servers that require 288-pin LRDIMMs running at 1.2 V.

Replaces Lower Capacity LRDIMMs

The upgrade is worthwhile when existing LRDIMM slots hold smaller modules and the workload needs the full 1 TB capacity. It also suits a fresh build that targets the maximum supported memory configuration for these platforms.

Verify Slot Count And Memory Mode

Confirm the server has eight available DIMM slots and that the memory mode supports Load Reduced modules. Mixing with unbuffered or registered ECC DIMMs is not supported. The modules also run at 2133, 2400 or 2666 MHz if the system requires a lower speed.

Pontos fortes

  • 1 TB total capacity from eight 128 GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4-2933 CL21 at 1.2 V for efficient performance
  • Qualified for Dell PowerEdge R840 and R940xa
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Especificações

BrandOWC
Part Number2L9D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge R840
Dell PowerEdge R940xa

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Perguntas sobre este artigo

Will the 288-pin DDR4 LRDIMM modules fit the Dell PowerEdge R840 and R940xa memory slots?

Yes, the 288-pin DDR4 LRDIMM form factor matches the memory slots in both the Dell PowerEdge R840 and R940xa servers for direct installation.

What is the correct installation sequence for the eight 128GB modules to avoid a common population error?

Populate all eight slots identically with the 4Rx4 LRDIMMs; do not mix these load-reduced modules with unbuffered or registered DIMMs, or the system will not boot.

When should the 1.2V LRDIMMs be replaced if ECC correctable errors begin to rise?

Replace modules when the server management logs show increasing correctable ECC error counts, indicating cell wear on the DDR4 2933 memory.

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