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Eight green DDR5 RDIMM modules in a row

OWC

OWC 128GB (8x16GB) DDR5 4800 CL40 ECC Registered RDIMM for PowerEdge R760xd2

SKU CH-TBR8-2Y8M1

Eight 16 GB DDR5-4800 ECC registered RDIMMs adding 128 GB to a PowerEdge R760xd2 server

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank1Rx8

Capacity 128GB (8 x 16GB)

  • 128GB kit expands server capacity with eight 16GB modules
  • ECC registered design detects and corrects single-bit errors for data integrity
  • DDR5 4800 CL40 speed delivers PC5-38400 bandwidth for demanding workloads
  • 1V low-voltage operation reduces power draw in PowerEdge R760xd2
  • 288-pin RDIMM form factor installs directly into compatible Dell server slots

Server memory upgrade kit

This 128GB kit contains eight 16GB DDR5 4800 CL40 ECC registered RDIMM modules built for the PowerEdge R760xd2. It runs at 1.1V with a 1Rx8 organisation and uses the 288-pin form factor. The modules are designed for server and workstation platforms that require registered memory with error correction. They replace Dell part numbers AC239377 and SNP1V1N1C/16G.

Compatibility check

Verify that your system is a PowerEdge R760xd2 before ordering because registered ECC memory will not work in standard desktop computers. Confirm the motherboard has eight free 288-pin DDR5 slots and that the BIOS supports DDR5 4800 registered DIMMs. Do not mix these modules with unbuffered or load-reduced ECC memory as the different buffering schemes are incompatible.

Build integration

The kit fills eight DIMM slots to deliver 128GB of registered ECC capacity for virtualisation, database or high-throughput workloads. Operating at 1.1V helps keep power draw low inside dense chassis configurations. No heat spreaders are fitted so ensure the server's airflow path clears the bare modules. The registered design reduces electrical load on the memory controller when all slots are populated.

How it compares

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

Price $2,953.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $23.08 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 number4R8D51R8128K
Total capacity128 GB (8 × 16 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsPowerEdge R760xd2

Other versions of this model

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Questions about this item

What comes in the OWC 128GB DDR5 4800 kit and is anything else needed for a PowerEdge R760xd2?

The kit contains eight 16GB DDR5 4800 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM modules. No extra parts are required for installation in a compatible PowerEdge R760xd2 server.

Should I choose this 128GB kit or a different capacity for my R760xd2?

This 128GB kit provides eight 16GB modules. Select it when your configuration calls for that total capacity and module count; other capacities use different module quantities or densities.

What does the 4800 CL40 rating mean once the modules are installed in the R760xd2?

The modules run at DDR5 4800 MT/s with a CAS latency of 40 cycles, delivering the rated PC5-38400 bandwidth when the server memory controller operates at that speed.

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