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Green rectangular DDR4 288-pin LRDIMM module with black memory chips and gold edge contacts

OWC

OWC 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC LRDIMM memory upgrade

SKU CH-P5W1-06GW7

A single 128GB DDR4 3200 ECC load-reduced DIMM for Dell PowerEdge XR11 and XR12 servers

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

Capacity 128GB

Les versions barrées existent, mais ne sont pas disponibles ici.

  • 128 GB single module expands server capacity
  • DDR4 3200 CL22 speed handles demanding workloads
  • ECC load-reduced design protects data integrity
  • 2 V operation lowers power draw
  • Compatible with Dell PowerEdge XR11 and XR12

Server-grade 128GB ECC LRDIMM

This OWC module delivers 128GB of DDR4 ECC load-reduced memory at 3200MHz with CL22 latency. It is built for Dell PowerEdge XR11 and XR12 servers and workstations that require registered, error-correcting DIMMs. Standard desktop systems cannot use this memory type.

DDR4 3200 load-reduced interface limits

The PC4-25600 standard runs at 1.2V and steps down to 2933, 2666, 2400 and 2133MHz when paired with slower memory controllers. Load-reduced DIMMs cannot be mixed with unbuffered or standard registered ECC modules, and the memory controller must support the LRDIMM protocol.

Single-module installation with mixing risk

The 288-pin DIMM installs like any server memory stick, but the 4Rx4 organisation demands a compatible slot population order. The most common error is mixing this LRDIMM with registered or unbuffered ECC memory, which prevents the system from booting.

Points forts

  • 128 GB single module expands server capacity
  • DDR4 3200 CL22 speed handles demanding workloads
  • ECC load-reduced design protects data integrity
  • 2 V operation lowers power draw
  • Compatible with Dell PowerEdge XR11 and XR12

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
Compatible SystemDell PowerEdge XR11
Dell PowerEdge XR12

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Questions sur cet article

Should I choose the 128GB 4Rx4 module or add multiple smaller DIMMs to reach the same capacity?

This single 128GB 4Rx4 LRDIMM delivers the full capacity in one slot, leaving remaining slots free for future expansion while keeping the memory subsystem balanced.

What does the 3200MHz CL22 rating actually deliver inside a Dell PowerEdge XR11 or XR12?

The module runs at DDR4 3200 with CL22 latency; the server's memory controller will set the final speed, which can be 3200, 2933, 2666, 2400 or 2133MHz depending on CPU and DIMM population.

How does the ECC Load-Reduced 288-pin interface affect maximum usable speed and capacity?

The LRDIMM buffer reduces electrical load on the memory bus, allowing this 128GB 4Rx4 module to operate at up to 3200MHz while maintaining signal integrity across all populated channels.

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