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Two green DDR5 RDIMM modules with gold contacts, no heat spreaders

OWC

OWC 4R8D54R4256P 256GB (2x128GB) DDR5 4800 CL40 ECC RDIMM Dell PowerEdge HS5610 HS5620

SKU CH-0HQ1-F3NFE

256GB DDR5 4800 CL40 ECC registered RDIMM kit for Dell PowerEdge HS5610 and HS5620 servers

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 256GB (2 x 128GB)

  • 256 GB total capacity for large server workloads
  • Dual 128 GB modules enable full channel population
  • DDR5 4800 speed with CL40 latency for responsive performance
  • ECC registered design protects data integrity in critical tasks
  • Validated for Dell PowerEdge HS5610 and HS5620 systems

Dell PowerEdge HS5610 and HS5620 upgrade

This OWC kit delivers 256GB of DDR5 ECC registered memory across two 128GB modules. It is built for Dell PowerEdge HS5610 and HS5620 servers that require registered DIMMs with error correction. The modules will not work in standard desktops or systems that take unbuffered or load-reduced memory.

288-pin RDIMM at 1.1V with CL40 timing

Each module uses a 288-pin DDR5 form factor and runs at 1.1V with a CAS latency of 40. The 4Rx4 organisation and registered buffer suit multi-socket server boards that expect registered ECC DIMMs. No heat spreader is fitted, so airflow in the server chassis handles cooling directly.

Replaces slower or smaller DDR5 RDIMM kits

This kit upgrades from lower-capacity or lower-speed registered DDR5 sets in the same PowerEdge models. The jump is worthwhile when workloads need the full 256GB at 4800MT/s and the platform supports 4Rx4 modules. It does not suit systems limited to 2Rx4 or 2Rx8 ranks, nor boards that require load-reduced DIMMs.

Ciri-ciri utama

  • 256 GB total capacity for large server workloads
  • Dual 128 GB modules enable full channel population
  • DDR5 4800 speed with CL40 latency for responsive performance
  • ECC registered design protects data integrity in critical tasks
  • Validated for Dell PowerEdge HS5610 and HS5620 systems

Spesifikasi

BrandOWC
Part Number4R8D54R4256P
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge HS5610
Dell PowerEdge HS5620

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Does DDR5 4800 PC5-38400 CL40 ECC RDIMM run at its rated 4800 speed in Dell PowerEdge HS5610?

Yes, the kit is JEDEC-standard DDR5 4800 PC5-38400 CL40 and the Dell PowerEdge HS5610 and HS5620 support that speed natively, so the modules operate at 4800 MT/s without manual tuning.

What physical clearance do the 288-pin 1.1V 4Rx4 RDIMM modules need inside the Dell PowerEdge HS5610?

The modules are standard-height 288-pin RDIMMs without heat spreaders, so they fit the regular DIMM slots in the HS5610 and HS5620 chassis; no extra vertical clearance beyond the normal slot area is required.

What is the correct installation sequence for the 2x128GB 4Rx4 RDIMM kit in Dell PowerEdge HS5620?

Populate the DIMM slots in the order shown in the server's memory population guide — typically one module per channel first — and ensure both 128GB 4Rx4 modules are seated fully until the ejector clips click; mixing with unbuffered or load-reduced DIMMs is not supported.

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