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Four green DDR5 RDIMM modules in a row

OWC

OWC 64GB (4×16GB) DDR5 4800 CL40 1Rx4 288-pin 1.1V ECC Registered RDIMM server RAM

SKU CH-07RZ-T2G9B

A 64 GB DDR5 ECC registered RDIMM kit of four 16 GB modules running at 4800 MT/s with CL40 latency and 1.1 V operation

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

Capacity 64GB (4 x 16GB)

  • 64 GB total capacity from four 16 GB modules
  • DDR5 4800 speed with CL40 latency for responsive server workloads
  • ECC registered design detects and corrects data errors automatically
  • 1 V operation reduces power draw in dense configurations
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-grade ECC RDIMM kit

This 64GB kit contains four 16GB DDR5 4800 CL40 registered DIMMs built for workstations and servers that require error-correcting memory. It operates at 1.1V and conforms to JEDEC PC5-38400 specifications.

Registered ECC is mandatory

The modules are 1Rx4 registered ECC RDIMMs; they will only function in platforms that explicitly support registered ECC DDR5 and cannot be mixed with unbuffered or load-reduced DIMMs.

Four-slot population

Populating four slots delivers 64GB in a dual-channel configuration, leaving additional slots free for future expansion if the motherboard provides more than four DDR5 RDIMM sockets.

Points forts

  • 64 GB total capacity from four 16 GB modules
  • DDR5 4800 speed with CL40 latency for responsive server workloads
  • ECC registered design detects and corrects data errors automatically
  • 1 V operation reduces power draw in dense configurations
  • JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number4R8D51R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions sur cet article

What does the 4800 MT/s speed mean once the kit is installed in a server?

The modules run at the JEDEC-standard 4800 MT/s data rate with CL40 latency, delivering the rated PC5-38400 bandwidth when the platform supports DDR5-4800.

How does the DDR5-4800 interface and CL40 timing cap real-world throughput?

Peak transfer is limited to the PC5-38400 specification; actual throughput depends on the memory controller and channel population.

What physical slot and clearance do the 288-pin RDIMMs require?

Each 16 GB module uses a standard 288-pin DDR5 RDIMM connector and has no heat spreader, so it fits in any DDR5 RDIMM socket with normal vertical clearance.

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