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Two green 288-pin DDR5 RDIMM modules, no heat spreaders

OWC

OWC 32GB (2x16GB) DDR5 5600 CL46 1Rx4 ECC Registered RDIMM server RAM

SKU CH-T8GH-853J0

A 32 GB dual-channel kit of DDR5 5600 ECC registered RDIMMs running at 1.1 V with CL46 latency for servers and workstations

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank1Rx4

Capacity 32GB (2 x 16GB)

  • ECC registered design protects data integrity in critical workloads
  • DDR5 5600 speed with CL46 latency accelerates server responsiveness
  • Dual-channel 32 GB kit (2 × 16 GB) maximises memory bandwidth
  • JEDEC-standard 1.1 V operation ensures broad platform compatibility
  • 288-pin RDIMM form factor fits workstations, NAS and network switches

32GB DDR5 ECC RDIMM kit

This OWC kit provides 32GB of DDR5 memory as two 16GB registered DIMMs. It is built for workstations, servers and NAS systems that require ECC error correction. The modules will not function in standard desktop computers that lack registered memory support.

Registered DDR5 5600 interface

The kit runs at 5600 MT/s with a CAS latency of 46 and operates at 1.1V. It uses the 288-pin RDIMM form factor and must be installed in platforms that accept registered ECC DDR5; it cannot be mixed with unbuffered or load-reduced modules. JEDEC compliance ensures standard electrical and timing behaviour.

Dual-channel 32GB capacity

Two 1Rx4 modules populate a dual-channel configuration for 32GB total. This capacity suits virtualisation hosts, database nodes and file servers with moderate memory demands. Workloads that exceed 32GB will require additional DIMM slots or higher-density modules.

How it compares

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

Price $757.99
Pricier than about 76% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $23.69 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 number5R6D51R4032P
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
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

Is this a single 32 GB stick or a 2 x 16 GB kit?

The kit contains two 16 GB modules, giving a total of 32 GB in a dual-channel configuration.

What does DDR5 5600 CL46 mean for actual server workloads?

The modules run at 5600 MT/s with a CAS latency of 46 cycles, delivering the JEDEC-standard PC5-44800 bandwidth for registered ECC workloads.

Will these 288-pin DDR5 RDIMMs work in a standard desktop motherboard?

No. They are ECC registered DDR5 RDIMMs that require a workstation, server, NAS or network-switch platform with registered-DIMM support.

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