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Two green 288-pin DDR5 ECC RDIMM modules, no heat spreaders

OWC

OWC 128GB (2x64GB) DDR5 4800 CL40 ECC RDIMM Dell PowerEdge

SKU CH-VMTK-YDXX2

A 128GB DDR5 4800 ECC registered dual-rank kit for Dell PowerEdge R6625, R760, R7615 and R7625 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 128GB (2 x 64GB)

  • 128 GB total capacity from two 64 GB modules
  • DDR5 4800 speed with CL40 latency for server workloads
  • ECC registered design protects data integrity in critical applications
  • JEDEC and RoHS compliant for warranty-safe Dell PowerEdge upgrades
  • 1 V operation reduces power draw in dense configurations

Dell PowerEdge DDR5 ECC Kit

This OWC kit delivers 128GB of DDR5 ECC Registered memory as two 64GB modules. It is built for Dell PowerEdge R6625, R760, R7615 and R7625 servers. The modules operate at 4800MHz with CL40 latency and 1.1V voltage. They provide error correction for data integrity in critical workloads.

288-Pin RDIMM Installation Notes

Each module uses the standard 288-pin DDR5 RDIMM form factor and fits directly into compatible server DIMM slots. No heat spreader is fitted, so airflow clearance is straightforward. The registered buffer adds a clock cycle, which the memory controller expects; mixing these with unbuffered or load-reduced DIMMs will prevent the system from posting.

Suited For Dell Server Upgrades

This kit suits administrators expanding memory in the listed PowerEdge models for virtualization, databases or high-performance computing. Buyers needing unbuffered ECC for workstation boards should look elsewhere. Systems requiring load-reduced DIMMs or different capacities are not compatible with this specific registered 2Rx4 configuration.

How it compares

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

Price $2,780.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $21.73 per GB
Pricier than about 67% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R4128P
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell PowerEdge R6625
Dell PowerEdge R760
Dell PowerEdge R7615
Dell PowerEdge R7625

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the kit is running at 4800 MT/s with CL40 after installation?

Enter the server BIOS or use a tool such as dmidecode to confirm each 64 GB module reports DDR5 4800, PC5-38400, CL40, 1.1 V and registered ECC operation.

What ships in the box and what must be sourced separately?

The kit contains two 64 GB DDR5 4800 CL40 2Rx4 288-pin 1.1 V ECC registered RDIMMs; no heat spreaders, cables or additional parts are included.

Which capacity version should I choose for a Dell PowerEdge R760?

This 128 GB kit (2 × 64 GB) is the listed configuration validated for the R760, R7615, R7625 and R6625; select it when you need 128 GB of registered ECC DDR5.

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