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Four green DDR5 RDIMM modules in anti-static tray

OWC

OWC 128GB (4x32GB) DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC Registered RDIMM Kit for Dell PowerEdge HS5610 HS5620

SKU CH-MHZD-Y7VAJ

128 GB DDR5 4800 ECC registered RDIMM kit, four 32 GB modules at 1.1 V CL40 for Dell PowerEdge HS5610 and HS5620 servers

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules for large server workloads
  • ECC registered DDR5 detects and corrects data errors to protect critical operations
  • JEDEC-standard 4800 MT/s CL40 at 1.1 V ensures reliable compatibility with Dell PowerEdge HS5610 and HS5620
  • 2Rx8 registered design supports high-density server configurations without mixing restrictions
  • Tested to meet OEM specifications for warranty-safe upgrades in workstations and servers

Dell PowerEdge HS5610 HS5620 Memory Kit

This 128GB kit contains four 32GB DDR5 4800 ECC Registered RDIMMs built for Dell PowerEdge HS5610 and HS5620 servers. It targets administrators who need to expand memory capacity in those specific workstation and server platforms. The modules operate at 1.1V with a CL40 latency and a 2Rx8 rank configuration. Buyers using standard desktop boards or consumer laptops cannot use this memory.

DDR5 4800 ECC Registered Platform Constraints

The memory follows the JEDEC DDR5 4800 standard and requires a platform that supports ECC Registered DIMMs. It will not function in systems limited to unbuffered or load-reduced modules. Mixing this kit with non-registered memory types is not supported and will prevent boot or cause instability. The 288-pin form factor fits only DDR5 server slots wired for registered operation.

Installation Notes and Common Issues

Installation is a direct DIMM insertion into the compatible Dell PowerEdge slots; no heat spreader is present, so clearance is minimal. The most frequent problem is attempting to use these modules in a desktop or unbuffered server board, which results in a no-post condition. Another common error is mixing ranks or registered types across channels, which the platform firmware will reject.

Highlights

  • 128 GB total capacity from four 32 GB modules for large server workloads
  • ECC registered DDR5 detects and corrects data errors to protect critical operations
  • JEDEC-standard 4800 MT/s CL40 at 1.1 V ensures reliable compatibility with Dell PowerEdge HS5610 and HS5620
  • 2Rx8 registered design supports high-density server configurations without mixing restrictions
  • Tested to meet OEM specifications for warranty-safe upgrades in workstations and servers

Specifications

BrandOWC
Part Number4R8D52R8128S
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell PowerEdge HS5610
Dell PowerEdge HS5620

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Questions about this item

How do I choose between the 32 GB modules and a different capacity for my PowerEdge HS5610?

This kit provides 128 GB total using four 32 GB modules, matching the DDR5 4800 CL40 2Rx8 1.1 V registered ECC specification required by the HS5610 and HS5620.

What does the 4800 MT/s rating deliver once installed in the server?

The modules run at the JEDEC-standard DDR5 4800 speed with CL40 latency, giving the memory bandwidth the HS5610 and HS5620 platforms are designed for.

Will the 288-pin registered ECC DDR5 interface work with my HS5620 memory slots?

Yes, the 288-pin RDIMM form factor with registered ECC is the exact interface the HS5610 and HS5620 memory controllers expect, so the kit fits and operates at the rated 4800 MT/s.

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