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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 1.1V ECC RDIMM 4R8D52R832GB

SKU CH-D46F-QCYTB

32 GB DDR5 4800 CL40 ECC registered RDIMM for Lenovo ThinkSystem SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 servers

  • Capacity32GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 32GB

  • 32 GB capacity extends server memory for larger workloads
  • DDR5 4800 speed with CL40 latency delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • 1 V operation reduces power draw in dense configurations
  • Validated for Lenovo ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

32GB DDR5 ECC RDIMM for Lenovo ThinkSystem

This 32GB DDR5 4800 CL40 registered DIMM adds error-correcting memory to compatible Lenovo ThinkSystem servers. It operates at 1.1V with a 2Rx8 organisation and fits the 288-pin DDR5 slot. The module is designed for SD650 V3, SD650-I V3, SD665 V3, SD665-N V3 and SR630 V3 systems.

Sustained server workloads

Registered buffering and on-die ECC keep data integrity stable during continuous multi-threaded workloads. The CL40 latency and 4800 MT/s rate deliver predictable throughput for virtualisation, database and HPC tasks. Without a heat spreader the module relies on chassis airflow for thermal management.

DDR5 4800 platform limits

The DDR5 4800 JEDEC standard caps transfer rate at 4800 MT/s and voltage at 1.1V for this density. Registered DIMMs cannot be mixed with unbuffered or load-reduced modules in the same channel. Capacity scaling is limited by the memory controller and slot count of the host server.

Privalumai

  • 32 GB capacity extends server memory for larger workloads
  • DDR5 4800 speed with CL40 latency delivers high data throughput
  • ECC registered design detects and corrects memory errors
  • 1 V operation reduces power draw in dense configurations
  • Validated for Lenovo ThinkSystem SD650 V3 SD650-I V3 SD665 V3 SD665-N V3 SR630 V3

Specifikacijos

BrandOWC
Part Number4R8D52R832GB
Capacity32GB
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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Does the 1.1 V DDR5 module run cool enough for continuous server loads without extra airflow?

The module operates at the standard DDR5 voltage of 1.1 V and has no heat spreader, so it relies on the server chassis airflow for cooling during sustained workloads.

What must the system already provide for this registered ECC DIMM to function?

The motherboard must support DDR5 registered ECC memory in a 288-pin slot and accept 2Rx8 modules at 4800 MT/s.

Can this 2Rx8 RDIMM share channels with existing 1Rx8 or load-reduced modules in a ThinkSystem SR630 V3?

No, registered ECC DIMMs cannot be mixed with unbuffered or load-reduced memory; all slots in a channel must use the same registered type.

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