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Four green DDR4 ECC registered DIMMs 288-pin 1.2V

OWC

OWC 256GB (4x64GB) DDR4 2933 ECC RDIMM H12SST-PS

SKU CH-73GE-2ASJ7

A 256 GB kit of four 64 GB DDR4 2933 ECC registered DIMMs for Supermicro H12SST-PS servers

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 256GB (4 x 64GB)

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  • ECC registered design protects data integrity in servers
  • 256GB total capacity across four 64GB modules
  • DDR4 2933 speed with CL21 latency at 1.2V
  • Qualified for Supermicro H12SST-PS motherboard
  • Backward compatible with 2133, 2400 and 2666 speeds

Server-grade DDR4 ECC kit

This 256GB kit contains four 64GB DDR4 2933 ECC registered DIMMs built for the Supermicro H12SST-PS motherboard. It targets administrators who need maximum registered capacity in a supported four-module configuration. The modules operate at 1.2V with CL21 latency and 2Rx4 organisation. They are not compatible with standard desktop platforms or unbuffered memory.

288-pin registered form factor

Each module uses the 288-pin RDIMM layout required by server chipsets and includes on-board register circuitry for signal integrity at high density. The absence of a heat spreader keeps the profile low for dense chassis layouts. Registered buffering means these DIMMs cannot be mixed with unbuffered or load-reduced memory in the same system. Installation follows standard server DIMM seating procedures.

DDR4 2933 with backward steps

The kit runs natively at 2933 MT/s (PC4-23400) and will down-clock to 2666, 2400 or 2133 MT/s when the platform demands it. Total capacity is fixed at 256GB across the four slots populated by this kit. Builders needing more memory must use a motherboard with additional DIMM slots or higher-density modules not included here.

Høydepunkter

  • ECC registered design protects data integrity in servers
  • 256GB total capacity across four 64GB modules
  • DDR4 2933 speed with CL21 latency at 1.2V
  • Qualified for Supermicro H12SST-PS motherboard
  • Backward compatible with 2133, 2400 and 2666 speeds

Spesifikasjoner

BrandOWC
Part Number2R9D42R4256S
Capacity256GB (4 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemSupermicro Motherboard H12SST-PS

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Spørsmål om denne varen

What DDR4 standard and speed does this kit use, and what does that cap in practice?

The kit runs at DDR4 2933 (PC4-23400) with CL21 latency and 1.2V; the motherboard's memory controller limits the actual data rate, so it will not exceed 2933 MT/s.

What physical slot and form factor do these modules need on the Supermicro H12SST-PS?

They require 288-pin DDR4 RDIMM slots; each module is a 64 GB 2Rx4 registered DIMM without a heat spreader.

How are the four modules installed, and what step do people often get wrong?

Populate all four slots following the board's channel order; the common mistake is mixing these registered ECC DIMMs with unbuffered or load-reduced memory, which the board will not accept.

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