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Green circuit board with black memory chips and gold contacts

OWC

OWC 256GB DDR4 3200 CL22 ECC Load Reduced LRDIMM 288-pin memory upgrade

SKU CH-T7BC-Z1XGC

Single 256 GB DDR4 3200 CL22 ECC load-reduced 288-pin LRDIMM for Supermicro H12 server and workstation boards

Capacity 256GB

  • 256GB single module maximises server capacity
  • ECC load-reduced design ensures data integrity for critical workloads
  • DDR4 3200MHz CL22 delivers high-throughput performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400, 2666 and 2933MHz systems

256GB DDR4 ECC LRDIMM for Supermicro servers

This 256GB DDR4 3200 CL22 module is a single 288-pin load-reduced DIMM built for Supermicro motherboards H12DSG-O-CPU, H12DST-B, H12DSU-iN, H12SSL-C and H12SSL-i. It targets server, workstation and NAS administrators who need maximum registered capacity per slot. The 1.2V JEDEC-standard part is not compatible with standard desktop computers.

Load-reduced design and 8Rx4 organisation

The load-reduced architecture reduces electrical load on the memory bus, allowing dense 8Rx4 population on supported Supermicro platforms. A 288-pin DDR4 connector ensures mechanical compatibility with the listed boards, while ECC protection corrects single-bit errors in mission-critical workloads. This module cannot be mixed with unbuffered or standard registered ECC DIMMs.

Upgrade from lower-capacity DDR4 LRDIMMs

The part replaces smaller load-reduced modules to raise total system memory without adding slots, and it runs at 3200MHz while remaining backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz bus speeds. The jump is worthwhile when virtualisation, in-memory databases or large dataset processing demand more than the currently installed capacity per channel.

Helstu kostir

  • 256GB single module maximises server capacity
  • ECC load-reduced design ensures data integrity for critical workloads
  • DDR4 3200MHz CL22 delivers high-throughput performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400, 2666 and 2933MHz systems

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Does the DDR4 3200 CL22 interface run at 3200MHz on every supported Supermicro board or does it cap lower?

The module is rated PC4-25600 3200MHz CL22 and will run at 3200MHz when the motherboard and CPU support that speed; otherwise it falls back to 2933, 2666, 2400 or 2133MHz automatically.

What physical slot and clearance does the 288-pin LRDIMM require?

It fits a standard 288-pin DDR4 DIMM slot on the listed Supermicro H12 boards; the module height follows the JEDEC LRDIMM form factor so verify heatsink clearance in your chassis.

How is the single 256GB LRDIMM installed and what common step is missed?

Power down, open the chassis, align the notch with the 288-pin slot, press firmly until both latches click, then enter the BIOS to confirm the module is recognised at the correct speed and ECC mode.

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