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Four green DDR4 RDIMM modules in a row

OWC

OWC 1TB (4×256GB) DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-4JEJ-MFV4P

Four 256 GB DDR4 3200 ECC registered RDIMMs for Supermicro H12 and H11 server boards

Capacity 1TB (4 x 256GB)

  • 1 TB capacity across four 256 GB modules
  • DDR4 3200 speed with CL22 latency
  • ECC registered design for server reliability
  • 8Rx4 octal-rank 288-pin RDIMM form factor
  • Validated for Supermicro H12 and H11 motherboards

Server ECC RDIMM kit

This kit provides one terabyte of DDR4 ECC Registered memory across four 256 GB modules. It is designed for Supermicro motherboards including the H12DSG-O-CPU, H12DST-B, H12DSU-iN, H11DSI-NT and H11DST-B. The modules run at 3200 MT/s with CL22 latency and operate at 1.2 V. They are not compatible with standard desktop computers or with unbuffered or load-reduced memory types.

Simple DIMM installation

Each 288-pin RDIMM seats in a standard DDR4 server slot and requires no tools beyond opening the chassis. The main risk is mixing these octal-rank registered modules with unbuffered or load-reduced DIMMs, which prevents the system from posting. All four sticks should be identical in capacity, speed and manufacturer to avoid timing conflicts. OWC tests every module in-house to reduce the chance of a defective unit.

Verify motherboard and memory type

Confirm that your Supermicro board is one of the five listed models before ordering. Check that the existing memory population uses registered ECC DDR4 and that no unbuffered or load-reduced modules are installed. Ensure enough free DIMM slots exist for all four modules and that the platform supports 256 GB per slot at 3200 MT/s.

Points forts

  • 1 TB capacity across four 256 GB modules
  • DDR4 3200 speed with CL22 latency
  • ECC registered design for server reliability
  • 8Rx4 octal-rank 288-pin RDIMM form factor
  • Validated for Supermicro H12 and H11 motherboards

Caractéristiques

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Questions sur cet article

How can I confirm the kit is running at DDR4-3200 CL22 after installation?

Check the BIOS memory information or a tool such as CPU-Z; each DIMM should report 3200 MT/s and CAS latency 22.

What ships in the box and what must be purchased separately?

The kit includes four 256 GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2 V ECC Registered RDIMMs; no other parts are included.

Which capacity version should I choose for a Supermicro H12DSG-O-CPU build?

This 1 TB kit (4 × 256 GB) is the listed configuration validated for the H12DSG-O-CPU and the other named Supermicro boards.

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