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Two green 288-pin DDR5 RDIMM modules without heat spreaders

OWC

OWC 64GB (2x32GB) DDR5 4800 CL40 ECC Registered RDIMM memory upgrade

SKU CH-8MPJ-CE7YT

A 64 GB DDR5 ECC registered RDIMM kit with two 32 GB modules at 4800 MT/s CL40 for Dell PowerEdge XE9680 servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8

Capacity 64GB (2 x 32GB)

  • 64 GB capacity from two 32 GB modules
  • DDR5 4800 speed with CL40 latency
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Validated for Dell PowerEdge XE9680 servers

Target Server Platform

This 64GB kit is built for the Dell PowerEdge XE9680. It suits administrators expanding memory in that specific server or workstation. Buyers with standard desktops or consumer motherboards cannot use these registered ECC modules.

Critical Specification

The modules are DDR5 4800 PC5-38400 CL40 2Rx8 ECC Registered RDIMMs at 1.1V. Only systems that require registered ECC DDR5 in a 288-pin form factor will accept them; unbuffered or load-reduced DIMMs will not work.

Installation Notes

Installation follows the server's documented DIMM population rules. The kit includes two 32GB sticks with no heat spreader. Mixing with unbuffered or load-reduced memory causes boot failure, so populate all slots with identical registered modules.

How it compares

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

Price $1,667.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $26.06 per GB
Pricier than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R8064P
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
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

What does the 4800 MT/s rating mean when the modules are installed in a Dell PowerEdge XE9680?

The kit runs at the JEDEC DDR5-4800 standard speed, delivering 38400 MB/s bandwidth per module with CL40 latency once the server initialises the memory at 1.1 V.

How does the 288-pin RDIMM interface limit or enable use in the XE9680?

The 288-pin registered DIMM slot is the only DDR5 form factor the XE9680 accepts; the register buffers address and command signals so the platform can populate all channels with 2Rx8 modules.

What physical clearance does the 288-pin RDIMM need inside the XE9680 chassis?

Each module is a standard-height 288-pin RDIMM without a heat spreader, so it fits the Dell PowerEdge XE9680 memory sockets without requiring extra vertical clearance.

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