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Two green DDR5 RDIMM modules with black chips and gold contacts, no heat spreaders

OWC

OWC 128GB (2x64GB) DDR5 4800 CL40 2Rx4 ECC Registered RDIMM memory upgrade for Dell PowerEdge XE9680

SKU CH-6ZPE-71XV1

128 GB DDR5-4800 ECC registered RDIMM kit validated for Dell PowerEdge XE9680 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)

  • ECC registered memory protects data integrity in critical server workloads
  • 128GB kit (2×64GB) doubles capacity for memory-intensive applications
  • DDR5 4800 speed at CL40 latency delivers high throughput for compute tasks
  • 1V operation reduces power draw compared to previous DDR generations
  • Validated for Dell PowerEdge XE9680 to ensure reliable compatibility

128GB DDR5 ECC Registered Kit for PowerEdge XE9680

This OWC kit supplies 128GB across two 64GB DDR5 4800 CL40 registered DIMMs. Each module is a 288-pin 2Rx4 ECC RDIMM operating at 1.1V. It is built specifically for the Dell PowerEdge XE9680 server platform and will not work in standard desktop computers.

JEDEC-standard DDR5 4800 sustained throughput

The modules run at the JEDEC DDR5 4800 (PC5-38400) data rate with CL40 latency under continuous server workloads. Registered buffering and on-die ECC maintain signal integrity and correct single-bit errors during extended compute or virtualization tasks. The 1.1V operation keeps power draw predictable in dense chassis configurations.

Replaces lower-capacity or slower RDIMMs in XE9680

Install this kit to move from smaller registered DIMMs or slower DDR5 speeds in the same PowerEdge XE9680. The upgrade is worthwhile when memory capacity limits virtual machine density, in-memory databases or large dataset processing. It cannot be mixed with unbuffered or load-reduced ECC modules.

How it compares

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

Price $3,008.99
Pricier than about 73% 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 $23.51 per GB
Pricier than about 68% 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 XE9680

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.1 V DDR5 4800 kit draw when the Dell PowerEdge XE9680 runs continuously?

Each 64 GB module operates at 1.1 V DDR5 standard voltage; total system power depends on the XE9680 memory configuration and workload.

What must the Dell PowerEdge XE9680 already support for these 2Rx4 CL40 RDIMMs to function?

The server must accept 288-pin DDR5 4800 ECC Registered RDIMMs with 2Rx4 organisation and 1.1 V operation.

Can I add this 2x64 GB kit alongside existing registered ECC RDIMMs already installed in the XE9680?

Yes, provided the installed modules are also DDR5 4800 ECC Registered RDIMMs; mixing with unbuffered or load-reduced DIMMs is not supported.

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