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Eight green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

OWC

OWC 256GB (8x32GB) DDR5 5600 PC5-44800 CL46 2Rx4 288-pin 1.1V ECC Registered RDIMM server RAM

SKU CH-NJXP-B9P6M

Eight 32 GB DDR5 5600 ECC registered RDIMMs deliver 256 GB of error-correcting server memory at 1.1 V with CL46 latency

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 256GB (8 x 32GB)

  • ECC registered design protects data integrity in servers
  • 256 GB kit (8 × 32 GB) expands memory capacity
  • DDR5 5600 PC5-44800 CL46 delivers high bandwidth
  • 1 V operation reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server memory kit

This OWC kit supplies 256 GB of DDR5 ECC registered memory across eight 32 GB RDIMMs. It targets workstations, servers, NAS systems and network switches that require registered error-correcting modules. Standard desktop platforms cannot use this memory.

Installation notes

Modules use the standard 288-pin DDR5 form factor and operate at 1.1 V. The kit is a dual-channel configuration; populate slots according to the system manual. Mixing with unbuffered or load-reduced ECC DIMMs is not supported and will prevent boot.

Capacity and limits

Eight ranks of 2Rx4 organisation deliver 256 GB total, suitable for virtualisation, large databases and memory-intensive workloads. The CL46 latency at 5600 MT/s meets JEDEC PC5-44800 specifications. Workloads exceeding 256 GB or requiring unbuffered memory need a different solution.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $6,213.99
Pricier than about 91% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $24.27 per GB
Pricier than about 85% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number5R6D52R4256K
Total capacity256 GB (8 × 32 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V

Other versions of this model

5 more in the same range

Questions about this item

How do I confirm the kit is running at DDR5 5600 CL46 after installation?

Check the BIOS or a system utility such as CPU-Z; each of the eight 32 GB modules should report 5600 MT/s, CL46 timings, 1.1 V operation and registered ECC status.

What ships in the box and what must be sourced separately?

The package contains eight 32 GB DDR5 5600 CL46 2Rx4 288-pin registered ECC RDIMMs; no heat spreaders, cables or additional components are included.

Which capacity or version of this kit should I choose for my server?

This single SKU delivers 256 GB total via eight 32 GB registered ECC modules; select it only if your workstation or server requires registered DDR5 RDIMMs and supports 256 GB in an eight-slot configuration.

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