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Eight green DDR4 LRDIMM modules in anti-static tray

OWC

OWC 1TB (8x128GB) DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC LRDIMM Kit for Dell PowerEdge MX750c R650 R750

SKU CH-A7CP-30H4X

1 TB DDR4-3200 ECC load-reduced kit with eight 128 GB modules for Dell PowerEdge MX750c, R650 and R750 servers

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

Struck-through versions exist but are not stocked here.

  • 1TB total capacity across eight 128GB modules
  • DDR4 3200 speed with CL22 latency for server workloads
  • ECC load-reduced design detects and corrects memory errors
  • 2V operation lowers power draw in dense configurations
  • Compatible with Dell PowerEdge MX750c, R650 and R750

Server Memory Kit

This OWC kit provides 1TB of DDR4 ECC Load Reduced memory across eight 128GB modules. It is built for Dell PowerEdge MX750c, R650 and R750 servers that require registered LRDIMM technology. The modules operate at 3200MHz with CL22 latency and 1.2V power draw. Buyers using standard desktops or workstations that accept only unbuffered or registered ECC DIMMs cannot use this kit.

288-Pin LRDIMM Form Factor

Each module uses the 288-pin LRDIMM form factor with 4Rx4 organisation and no heat spreader. The load-reduced buffer reduces electrical load on the server memory controller, allowing higher capacities per channel. The kit is JEDEC-standard and RoHS compliant, ensuring mechanical and electrical fit in the listed PowerEdge systems. Mixing these modules with unbuffered or standard registered ECC memory is not supported.

1TB Total Capacity

The eight-module configuration delivers 1TB of total system memory, suited for virtualisation, large databases and memory-intensive workloads on compatible Dell PowerEdge platforms. Speed falls back automatically to 2933MHz, 2666MHz, 2400MHz or 2133MHz when the server requires a lower data rate. Systems needing a different capacity, rank structure or unbuffered memory must select an alternative kit.

Highlights

  • 1TB total capacity across eight 128GB modules
  • DDR4 3200 speed with CL22 latency for server workloads
  • ECC load-reduced design detects and corrects memory errors
  • 2V operation lowers power draw in dense configurations
  • Compatible with Dell PowerEdge MX750c, R650 and R750

Specifications

BrandOWC
Part Number3L2D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge MX750c
Dell PowerEdge R650
Dell PowerEdge R750

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Questions about this item

What speed does the DDR4 3200 PC4-25600 interface actually run at in a Dell PowerEdge R750?

The kit runs at 3200 MHz and will down-clock to 2933 MHz, 2666 MHz, 2400 MHz or 2133 MHz to match the server's memory controller.

What physical slot and form factor do these 128 GB modules need?

Each module is a 288-pin LRDIMM designed for the DDR4 DIMM slots in the PowerEdge MX750c, R650 and R750.

How are the eight 128 GB LRDIMMs installed and what step is often missed?

Populate all eight slots following the Dell memory population guide for the MX750c, R650 or R750; the common mistake is mixing these load-reduced modules with registered or unbuffered DIMMs.

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