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Green rectangular DDR4 RDIMM module with black memory chips and gold edge connectors

OWC

OWC 32GB DDR4 2666MHz ECC Registered RDIMM 2Rx4 1.2V 288-Pin server RAM

SKU CH-T9HB-SM3NN

32 GB DDR4 ECC registered RDIMM running at 2666 MHz with CL19 latency and 1.2 V operation for servers and workstations

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 32 GB capacity expands memory for demanding workloads
  • 2666 MHz DDR4 speed matches PC4-21300 bandwidth
  • 2Rx4 dual-rank organisation increases density per slot
  • 2 V operation reduces power draw and heat

OWC 32GB DDR4 2666MHz ECC RDIMM

This 32GB DDR4 module runs at 2666MHz with CL19 latency and 1.2V operation. It is built as a 288-pin ECC registered RDIMM using a 2Rx4 organisation. The part is designed for servers, workstations and NAS systems that require registered memory with error correction. It will not work in standard desktop computers that accept only unbuffered DIMMs.

JEDEC compliant registered build

The module follows JEDEC standard specifications and is RoHS compliant. It carries no heat spreader, relying on server chassis airflow for cooling. The 288-pin registered interface ensures electrical buffering on the command bus, which allows higher capacities per channel but prevents mixing with unbuffered memory in the same system. Backward compatibility covers 2133MHz and 2400MHz bus speeds.

Replaces Supermicro MEM-DR432L modules

This OWC part matches the specifications of Supermicro MEM-DR432L-SL02-ER26 and MEM-DR432L-SL03-ER26 modules. It serves as a direct replacement for those part numbers when expanding or repairing compatible platforms. The upgrade is worthwhile when the platform supports DDR4 registered ECC memory and the workload benefits from the additional 32GB capacity per slot. Buyers needing unbuffered memory or desktop compatibility should look elsewhere.

Points forts

  • ECC registered design protects data integrity in servers
  • 32 GB capacity expands memory for demanding workloads
  • 2666 MHz DDR4 speed matches PC4-21300 bandwidth
  • 2Rx4 dual-rank organisation increases density per slot
  • 2 V operation reduces power draw and heat

Caractéristiques

BrandOWC
Part Number2R6D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions sur cet article

What DDR4 standard does the PC4-21300 2666MHz rating cap the module at?

The module runs at PC4-21300 2666MHz CL19; it will also down-clock to 2133MHz or 2400MHz if the platform requires it.

What physical slot and form factor does this 288-pin RDIMM need?

It requires a 288-pin DDR4 RDIMM slot in a server, workstation or NAS; it will not fit or work in standard desktop UDIMM sockets.

How is the ECC registered module installed and what common step is missed?

Power down the system, align the 288-pin key with the registered DIMM slot, press firmly until the ejector clips lock, then verify the BIOS recognises the ECC registered capacity.

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