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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

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4
  • 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.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $5,639.99
Pricier than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $5.64 per GB
Cheaper than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D44R41TBK
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell PowerEdge MX750c
Dell PowerEdge R650
Dell PowerEdge R750

Other versions of this model

5 more in the same range

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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