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Green 288-pin DDR4 ECC registered DIMM with black memory chips and gold contacts

OWC

OWC 32GB DDR4 2400 ECC Registered RDIMM 2Rx4 1.2V server RAM

SKU CH-9G9B-HVTJH

32 GB DDR4 2400 ECC registered RDIMM for servers, workstations and NAS systems, CL17 at 1.2 V

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • ECC protection prevents data errors in critical workloads
  • 32 GB capacity expands server memory headroom
  • DDR4 2400 speed matches PC4-19200 bandwidth spec
  • 2Rx4 registered design fits 288-pin server slots
  • 2 V operation lowers power draw per module

32GB DDR4 2400 ECC RDIMM for servers

This OWC module delivers 32GB of DDR4 2400MHz PC4-19200 memory in a 288-pin ECC Registered DIMM form factor. It operates at 1.2V with CL17 latency and a 2Rx4 rank configuration. The module is designed for workstations, servers and NAS systems that require registered error-correcting memory. It will not function in standard desktop computers or alongside unbuffered modules.

JEDEC and ROHS compliance

The module meets JEDEC-standard specifications and is ROHS compliant, providing a warranty-safe upgrade path for OEM systems. It is built and tested to match or exceed the original manufacturer specifications for Supermicro part numbers MEM-DR432L-CL01-ER24 and MEM-DR432L-CL02-ER24. No heat spreader is included on this registered DIMM.

Capacity and headroom for registered workloads

The 32GB capacity suits multi-socket servers and workstations running virtualisation, databases or large file caches where registered ECC memory is mandatory. Registered buffering adds electrical load on the memory controller, so population limits depend on the platform's qualified vendor list. Builders needing unbuffered memory or desktop compatibility must select a different module type.

How it compares

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

Price $215.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $6.75 per GB
Cheaper than about 56% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number2R4D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

Will the 2Rx4 ECC registered DIMM need a heat spreader added later?

The module has no heat spreader; in a server chassis with directed airflow the bare PCB is sufficient, but confined workstations may benefit from an add-on spreader.

Does the CL17 timing at 2400 MT/s become the bottleneck under sustained load?

At DDR4 2400 CL17 the CAS latency is 17 cycles; latency-bound workloads hit the timing wall before the 19200 MB/s bandwidth ceiling.

How much extra power and heat does a 32 GB 1.2 V RDIMM add when running 24/7?

At 1.2 V the DIMM draws only a few watts, adding minimal heat; registered buffering shifts a small load to the memory controller instead.

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