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

OWC

OWC 64GB (2x32GB) DDR5 4800 ECC RDIMM CL40 2Rx8 1.1V memory upgrade

SKU CH-DWJF-9NQGJ

64 GB dual-module DDR5 ECC registered kit at 4800 MT/s CL40 1.1 V for Lenovo ThinkSystem SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 servers

  • 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 kit expands server memory capacity with two 32 GB modules
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design detects and corrects data errors for reliability
  • CL40 latency at 1.1 V balances performance and power efficiency
  • Validated for Lenovo ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

Server Memory Upgrade Kit

This 64 GB kit contains two 32 GB DDR5 4800 ECC registered RDIMMs built for Lenovo ThinkSystem SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 servers. It is designed for workloads that require error correction and registered signal integrity.

Capacity and Headroom

The dual-rank 2Rx8 modules deliver 64 GB of registered ECC memory at 1.1 V, supporting virtualization, database and compute tasks that benefit from data integrity. Workloads exceeding this capacity or requiring load-reduced DIMMs will need a different module type.

DDR5 Interface Constraints

The PC5-38400 CL40 modules operate at the JEDEC DDR5 4800 standard and cannot be mixed with unbuffered or load-reduced memory. They are incompatible with standard desktop platforms and require a server motherboard that supports registered ECC DDR5.

Puntos fuertes

  • 64 GB kit expands server memory capacity with two 32 GB modules
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design detects and corrects data errors for reliability
  • CL40 latency at 1.1 V balances performance and power efficiency
  • Validated for Lenovo ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

Especificaciones

BrandOWC
Part Number4R8D52R8064P
Capacity64GB (2 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem SD650 V3
Lenovo ThinkSystem SD650-I V3
Lenovo ThinkSystem SD665 V3
Lenovo ThinkSystem SD665-N V3
Lenovo ThinkSystem SR630 V3

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Preguntas sobre este artículo

Will the 288-pin DDR5 4800 ECC RDIMM modules work alongside existing DDR5 DIMMs in my ThinkSystem server?

These modules use DDR5 technology at 4800 MT/s with CL40 latency and 1.1 V operation. Mixing DIMMs of identical speed, voltage, rank and ECC type is supported by the listed ThinkSystem platforms; matching those specifications avoids timing conflicts.

How can I verify the 64 GB kit is running at 4800 MT/s with ECC active after installation?

Enter the server BIOS or UEFI and confirm the memory speed reads 4800 MT/s, the capacity shows 64 GB, and ECC status is reported as enabled. The registered design and 2Rx8 organisation will also appear in the system firmware inventory.

What is included in the box and do I need any extra parts to install the 2 x 32 GB RDIMMs?

The kit contains two 32 GB 288-pin DDR5 ECC registered DIMMs. No heat spreaders, cables or additional hardware are supplied or required; the modules seat directly into the compatible ThinkSystem memory slots.

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