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Green printed circuit board with black memory chips, gold edge connector, 288 pins, no heat spreader

OWC

OWC 128GB DDR4 2933 CL21 4Rx4 288-pin 1.2V ECC Load Reduced LRDIMM Dell PowerEdge R840 R940xa

SKU CH-3PK3-MW6TT

128 GB DDR4-2933 ECC load-reduced DIMM for Dell PowerEdge R840 and R940xa servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 128GB

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  • 128GB single module maximises server density
  • 2933MHz DDR4 speed accelerates data-intensive workloads
  • ECC load-reduced design protects data integrity
  • 2V operation reduces power draw per module
  • Compatible with PowerEdge R840 and R940xa

Server-Specific ECC LRDIMM

This OWC module is a 128GB DDR4 2933 ECC Load Reduced DIMM built for Dell PowerEdge R840 and R940xa servers. It operates at 1.2V with CL21 latency and a 4Rx4 rank configuration. The 288-pin design follows JEDEC standards for registered server memory.

Suited For Multi-Socket Servers

It suits administrators expanding memory in compatible Dell PowerEdge platforms that require LRDIMM technology. It will not work in standard desktops, workstations needing unbuffered or registered ECC modules, or systems that cannot accept load-reduced memory. Mixing with other ECC types is not supported.

128GB Single-Module Capacity

A single module delivers 128GB, helping maximise slot utilisation in dense server configurations. It runs at 2933MHz and maintains backward compatibility with 2133MHz, 2400MHz and 2666MHz bus speeds. Total capacity scales with the number of populated slots supported by the host platform.

Fordele

  • 128GB single module maximises server density
  • 2933MHz DDR4 speed accelerates data-intensive workloads
  • ECC load-reduced design protects data integrity
  • 2V operation reduces power draw per module
  • Compatible with PowerEdge R840 and R940xa

Specifikationer

BrandOWC
Part Number2L9D44R4128G
Capacity128GB
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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Spørgsmål om denne vare

Does this 288-pin DDR4 LRDIMM need a Dell PowerEdge R840 or R940xa server to operate?

Yes. The module is validated for the Dell PowerEdge R840 and R940xa platforms and will not function in standard desktop computers.

Can this CL21 1.2V LRDIMM share memory channels with registered ECC DIMMs already installed in the server?

No. Load Reduced memory cannot be mixed with registered or unbuffered ECC DIMMs; all slots must use the same LRDIMM type.

After installation, how do I confirm the 128GB module is running at the rated 2933 speed?

Check the system BIOS or UEFI memory information screen; it should report DDR4 2933 (PC4-23400) CL21 at 1.2V for the new module.

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