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OWC

OWC 32GB DDR4 2400MHz ECC Registered RDIMM CL17 1.2V 2Rx4 server RAM

SKU CH-H4AT-8X4R7

32 GB DDR4 2400 MHz ECC registered RDIMM for servers, workstations and NAS, CL17 at 1.2 V, 2Rx4 dual-rank design

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • 32 GB capacity doubles server memory headroom
  • ECC registered design protects data integrity in critical workloads
  • DDR4 2400 MHz CL17 speed matches OEM specifications exactly
  • 2 V operation reduces power draw per module
  • 288-pin 2Rx4 RDIMM form factor fits qualified server slots

Server ECC RDIMM for Workstations

This 32GB OWC DDR4 module runs at 2400MHz with CL17 latency and 1.2V power draw. It uses a 288-pin registered ECC design built to JEDEC standards for server, workstation and NAS systems. The 2Rx4 rank configuration provides error correction and signal buffering required by multi-socket platforms. It is not compatible with standard desktop motherboards or unbuffered memory.

Direct Replacement for Supermicro Parts

This module matches the specifications of Supermicro part numbers MEM-DR432L-HL01-ER24, MEM-DR432L-HL02-ER24 and MEM-DR432LC-ER24. The upgrade is worth it when existing slots are populated with lower-capacity registered DIMMs or when ECC integrity is required for data-critical workloads. It cannot be mixed with unbuffered memory and will not function in consumer desktop boards.

32GB Capacity for Multi-Socket Scaling

A single 32GB stick lets administrators populate dense memory channels in servers that support registered DDR4. It handles virtualisation hosts, database buffers and large file caches where error correction prevents silent data corruption. Headroom runs out when the platform's maximum registered DIMM count or total memory limit is reached, requiring higher-density modules or additional CPU sockets.

How it compares

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

Price $216.99
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 $6.78 per GB
Cheaper than about 55% 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

Does this 288-pin DDR4 RDIMM fit a standard server DIMM slot?

Yes, the module uses the 288-pin DDR4 RDIMM form factor that matches standard server and workstation memory slots.

What is the correct seating procedure for this registered ECC module?

Align the notch with the slot key, press straight down until both side latches click, and verify the module height sits flush — registered DIMMs need firm, even pressure.

Will the 1.2 V, CL17 2Rx4 configuration require any future firmware or voltage adjustment?

No, the module runs at the JEDEC-standard 1.2 V and CL17 timings; no firmware updates or voltage changes are needed during its service life.

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