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Green bare circuit board DDR5 RDIMM module with black memory chips and gold edge contacts

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM server RAM

SKU CH-WR2S-3VD7N

A single 64 GB DDR5 4800 CL40 2Rx4 288-pin 1.1 V ECC registered RDIMM for select workstations or servers

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

Capacity 64GB

Voir les 4 autres configurations

Rank 2Rx4

  • 64 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • JEDEC compliant module ensures broad compatibility

Server-grade ECC RDIMM for workstations

This 64 GB DDR5 module is built for registered ECC platforms found in select workstations and servers. It will not function in standard desktop computers and cannot be mixed with unbuffered or load-reduced DIMMs. System administrators upgrading compatible OEM infrastructure can install a single 64 GB stick to increase memory capacity without replacing existing matched sets.

JEDEC-standard voltage and thermal profile

The module operates at the standard 1.1 V defined for DDR5 4800 and carries no heat spreader, relying on the chassis airflow typical of 1U or 2U server enclosures. Registered buffering reduces electrical load on the memory controller, helping keep power draw predictable under sustained workloads. Acoustic impact is negligible because the DIMM itself has no moving parts.

Single-slot 288-pin upgrade path

A single 288-pin slot accepts this 2Rx4 registered DIMM, freeing remaining slots for future expansion or matched kits. JEDEC and ROHS compliance means the module meets OEM specifications without requiring BIOS tweaks or voltage adjustments. Buyers needing consumer desktop memory, unbuffered ECC, or load-reduced variants should look elsewhere.

Points forts

  • 64 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • JEDEC compliant module ensures broad compatibility

Caractéristiques

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

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Questions sur cet article

How do I install the 288-pin DDR5 RDIMM and what step is commonly missed?

Align the notch on the 288-pin module with the slot key, press firmly until both clips lock, and verify the motherboard is set to 1.1 V for DDR5 4800 operation; the step often missed is enabling registered ECC mode in BIOS so the 2Rx4 rank is recognised.

What maintenance or replacement will the 64 GB ECC registered module need over time?

No routine maintenance is required; the module has no heat spreader, so keep chassis airflow clean, and replace only if ECC logs report uncorrectable errors or a DIMM fails POST.

What limit appears first when the RDIMM runs sustained workloads at CL40?

The CAS latency of CL40 at DDR5 4800 sets the timing ceiling; sustained throughput is bounded by the 4800 MT/s data rate and 1.1 V operating voltage before thermal throttling or stability limits are reached.

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