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Four green DDR5 RDIMM sticks with gold contacts and black chips

OWC

OWC 64GB (4x16GB) DDR5 4800 CL40 ECC Registered RDIMM 288-pin 1.1V PowerEdge R760xd2 memory upgrade

SKU CH-3EXG-33B3R

64GB DDR5 4800 CL40 ECC registered RDIMM kit of four 16GB modules for PowerEdge R760xd2 servers

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB (4 x 16GB)

  • ECC Registered RDIMM protects data integrity in servers
  • 64GB kit (4×16GB) expands PowerEdge R760xd2 memory capacity
  • DDR5 4800 CL40 delivers high-speed registered performance
  • 1V operation reduces power draw per module
  • 288-pin form factor fits R760xd2 DIMM slots exactly

OWC 64GB DDR5 ECC Registered RDIMM kit

This OWC kit supplies 64GB of DDR5 memory as four 16GB registered DIMMs rated at 4800 MT/s with CL40 latency. It is built for the Dell PowerEdge R760xd2 server and other workstation or NAS platforms that require ECC registered modules. The modules operate at 1.1V and carry no heat spreader.

Installation notes for 288-pin registered DIMMs

Each module fits a standard 288-pin DDR5 slot and installs like any other DIMM. The critical step is verifying that the platform requires registered ECC memory; unbuffered or load-reduced DIMMs will not work in the same system. Mixing registered and unbuffered modules prevents the server from posting.

Registered ECC requirement decides compatibility

The single specification that determines fit is the registered ECC design. Only systems that explicitly support DDR5 registered ECC RDIMMs at 4800 MT/s can use this kit. Desktop motherboards and platforms requiring unbuffered or load-reduced memory are incompatible.

Highlights

  • ECC Registered RDIMM protects data integrity in servers
  • 64GB kit (4×16GB) expands PowerEdge R760xd2 memory capacity
  • DDR5 4800 CL40 delivers high-speed registered performance
  • 1V operation reduces power draw per module
  • 288-pin form factor fits R760xd2 DIMM slots exactly

Specifications

BrandOWC
Part Number4R8D51R8064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo
Compatible SystemPowerEdge R760xd2

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Questions about this item

How do I verify the 4800 MHz speed and CL40 latency are active after installing the four 16 GB modules in the PowerEdge R760xd2?

Enter the system BIOS or UEFI and confirm the memory runs at DDR5 4800 with CAS latency 40; the server's POST screen also reports the detected speed and timing for each 288-pin RDIMM.

What exactly ships in the kit and is anything else required for the upgrade?

The kit contains four 16 GB DDR5 4800 CL40 1Rx8 288-pin 1.1 V ECC Registered RDIMMs — 64 GB total. No extra parts are needed for a standard PowerEdge R760xd2 installation.

Which capacity configuration should I choose for the R760xd2 if I want a balanced 64 GB upgrade?

This 64 GB kit (4 × 16 GB) is the matched set built for the R760xd2; it populates four slots evenly and keeps all channels identical.

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