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Two green 288-pin DDR5 RDIMM modules, no heat spreaders

OWC

OWC 64GB (2x32GB) DDR5 4800 CL40 2Rx4 ECC Registered RDIMM server RAM

SKU CH-A7QH-W10N6

64GB dual-channel DDR5-4800 ECC registered RDIMM kit with CL40 latency and 1.1V operation for compatible servers and workstations

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB (2 x 32GB)

  • 64 GB dual-channel kit doubles server capacity
  • DDR5 4800 CL40 delivers high-throughput bandwidth
  • ECC registered 2Rx4 corrects errors for uptime
  • 1 V JEDEC standard voltage cuts power draw
  • 288-pin RDIMM form factor fits select workstations

64GB DDR5 ECC RDIMM kit

This 64GB kit contains two 32GB DDR5 4800 CL40 registered ECC modules. It is built for select workstations and servers that require registered memory with error correction. Standard desktop platforms cannot use this memory type. The modules operate at 1.1V and follow JEDEC standard specifications.

Verify registered ECC support

Check that your motherboard and processor explicitly support DDR5 registered ECC RDIMMs before ordering. This memory will not function in systems that only accept unbuffered or load-reduced DIMMs. Mixing registered modules with other memory types is not supported. Confirm the platform accepts 2Rx4 rank configuration and 288-pin DDR5 form factor.

Dual-channel registered upgrade

The kit provides a matched pair for dual-channel operation in compatible server or workstation boards. Registered buffering reduces electrical load on the memory controller, allowing larger total capacities in multi-slot configurations. No heat spreaders are fitted, so ensure adequate airflow around the DIMM slots. The modules free up budget compared to equivalent OEM parts while meeting the same JEDEC compliance.

Pluspunten

  • 64 GB dual-channel kit doubles server capacity
  • DDR5 4800 CL40 delivers high-throughput bandwidth
  • ECC registered 2Rx4 corrects errors for uptime
  • 1 V JEDEC standard voltage cuts power draw
  • 288-pin RDIMM form factor fits select workstations

Specificaties

BrandOWC
Part Number4R8D52R4064P
Capacity64GB (2 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Vragen over dit artikel

Does the 64 GB kit include both 32 GB modules or must I buy a second kit?

The kit contains two 32 GB RDIMMs for a total of 64 GB, so no additional purchase is required.

Should I choose the CL40 2Rx4 version or a different latency and rank combination?

CL40 at 2Rx4 is the JEDEC-standard specification for DDR5 4800 registered ECC; select this version when your platform requires registered DIMMs at that speed and rank.

What does the 4800 MT/s rating deliver once the modules are installed in a server?

At 4800 MT/s the modules provide PC5-38400 bandwidth with CL40 latency and 1.1 V operation, matching the JEDEC baseline for DDR5 registered ECC memory.

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