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Two green DDR5 ECC registered DIMMs with gold contacts

OWC

OWC 128GB (2x64GB) DDR5 4800 CL40 ECC RDIMM HS5610 HS5620

SKU CH-Z00R-2XWPX

128 GB DDR5-4800 ECC registered kit (2 × 64 GB, CL40, 1.1 V) for Dell PowerEdge HS5610 and HS5620 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 128GB (2 x 64GB)

  • ECC registered design protects data integrity in servers
  • 128 GB kit (2 × 64 GB) doubles capacity for virtualization
  • DDR5 4800 CL40 speed matches Dell PowerEdge HS5610 and HS5620 specs
  • 1 V operation reduces power draw in dense racks
  • JEDEC and RoHS compliant for warranty-safe upgrades

Dell PowerEdge HS5610 HS5620 Memory Upgrade

This 128GB kit contains two 64GB DDR5 4800 CL40 ECC Registered RDIMM modules built for the Dell PowerEdge HS5610 and HS5620 servers. It runs at 1.1V with a 2Rx4 organisation and conforms to the PC5-38400 JEDEC standard.

Server and Workstation Builders Only

The modules are designed for registered ECC platforms such as workstations, NAS systems and network switches. They will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced ECC memory.

Simple DIMM Installation

Installation follows the normal 288-pin RDIMM procedure: power down, open the chassis, align the notch and press until the latches click. The most common issue is mixing registered DIMMs with unbuffered or LRDIMM modules, which prevents the system from posting.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $2,714.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $21.21 per GB
Pricier than about 66% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R4128P
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell PowerEdge HS5610
Dell PowerEdge HS5620

Other versions of this model

5 more in the same range

Questions about this item

Do I need a Dell PowerEdge HS5610 or HS5620 server to install this 128GB DDR5 4800 ECC RDIMM kit?

Yes, this 2Rx4 registered ECC kit is validated for the Dell PowerEdge HS5610 and HS5620; it will not work in standard desktops or systems that require unbuffered or load-reduced memory.

Can I add these two 64GB DDR5 4800 CL40 modules alongside existing DDR5 4800 ECC registered DIMMs already in my HS5610?

You can, provided the installed DIMMs are also DDR5 4800 ECC registered 2Rx4 modules at 1.1V; mixing with unbuffered or load-reduced memory is not supported.

How do I confirm the kit is running at DDR5 4800 CL40 with ECC active after installation?

Check the BIOS memory information or the OS memory report — it should show 128GB total, 4800 MT/s speed, CL40 latency, 1.1V voltage and ECC registered status.

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