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Four green 288-pin DDR5 RDIMM modules, no heat spreader

OWC

OWC 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM PowerEdge R760xd2

SKU CH-0TVW-VKTTP

A 128 GB DDR5 4800 ECC registered kit of four 32 GB modules for PowerEdge R760xd2 servers

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8

Capacity 128GB (4 x 32GB)

  • ECC registered design protects data integrity in servers
  • 128GB kit (4×32GB) expands memory capacity for demanding workloads
  • DDR5 4800 CL40 speed matches PowerEdge R760xd2 specifications
  • 1V operation reduces power draw per module
  • 288-pin RDIMM form factor fits compatible server slots

Server ECC memory kit

This 128GB kit contains four 32GB DDR5 4800 ECC registered DIMMs built for the Dell PowerEdge R760xd2. Each module runs at 1.1V with CL40 latency and a 2Rx8 organisation. The 288-pin RDIMM form factor fits the server's registered memory slots. It replaces Dell part numbers AC239378 and SNPW08W9C/32G.

Sustained load behaviour

ECC circuitry corrects single-bit errors on the fly during continuous operation, preventing data corruption in long-running workloads. Registered buffering reduces electrical load on the memory controller when all channels are populated. JEDEC-compliant 4800 MT/s timing delivers stable throughput without overclocking headroom. The modules have no heat spreaders, relying on chassis airflow for thermal management.

Compatibility checklist

Verify the system is a PowerEdge R760xd2 before ordering; this memory will not work in standard desktops or consumer motherboards. Do not mix these registered DIMMs with unbuffered or load-reduced modules. Confirm the server supports 2Rx8 DDR5 4800 RDIMMs at 1.1V and has four free 288-pin slots. Check BIOS revision requirements in the Dell documentation.

How it compares

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

Price $3,089.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.14 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R8128S
Total capacity128 GB (4 × 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 systemsPowerEdge R760xd2

Other versions of this model

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Questions about this item

How much power does the 1.1V DDR5 kit draw when the R760xd2 runs continuously?

Each module operates at 1.1V, the standard DDR5 voltage, so total draw scales with the four 32GB sticks installed in the server.

What must the PowerEdge R760xd2 already have to accept this 288-pin RDIMM kit?

The server needs free DDR5 RDIMM slots that support registered ECC memory; the kit cannot be mixed with unbuffered or load-reduced modules.

Can the CL40 4800MHz modules share channels with slower DDR5 already in the R760xd2?

All installed DDR5 will run at the lowest common speed and latency, so existing slower modules will pull the kit down to their rate.

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