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A single green DDR4 LRDIMM module with black memory chips and gold edge connectors

OWC

OWC 256GB DDR4 3200 CL22 8Rx4 LRDIMM 288-pin 1.2V ECC memory upgrade

SKU CH-B5DS-AQMNR

Single 256 GB DDR4 3200 CL22 8Rx4 LRDIMM adds ECC load-reduced memory to compatible Gigabyte R272 servers

Capacity 256GB

  • 256GB single module maximises server capacity
  • DDR4 3200MHz CL22 delivers high-speed data throughput
  • ECC load-reduced design ensures data integrity under load
  • 2V operation reduces power draw in dense configs
  • JEDEC & RoHS compliant for warranty-safe upgrades

256 GB DDR4 LRDIMM for servers

This 256 GB DDR4 3200 CL22 LRDIMM is built for Gigabyte R272-P32, R272-P33, R272-Z30, R272-Z31 and R272-Z32 servers and workstations. It delivers ECC load-reduced operation at 1.2 V in a single 288-pin module. Desktop systems cannot use this memory type. ||

Sustained load behaviour

The load-reduced buffer lowers electrical load on the memory controller, allowing all 256 GB to run at the rated 3200 MT/s without signal degradation during long compute runs. Error-correcting code protects data integrity across extended workloads. Backward compatibility with 2133, 2400, 2666 and 2933 MT/s lets the module clock down when the platform requires it. ||

DDR4 interface limits

DDR4 tops out at 3200 MT/s in JEDEC standard form, so this module sits at the ceiling of the specification. Capacity per DIMM is constrained by the 8Rx4 organisation and the 1.2 V rail. Mixing with unbuffered or registered ECC DIMMs is not supported by the memory controller.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,390.99
Pricier than about 64% of the 21,161 comparable items (median $397.99).

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Specifications

No published specifications for this item yet.

Other versions of this model

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Questions about this item

How much power does the 1.2V LRDIMM draw when the server runs continuously?

The module operates at 1.2 volts, which is the standard DDR4 voltage; load-reduced buffering lowers per-DIMM electrical load so the memory controller sees less stress during all-day workloads.

What motherboard slot and chipset support are required to install this 288-pin ECC LRDIMM?

A server or workstation board with DDR4 RDIMM/LRDIMM-capable memory controllers and 288-pin DIMM slots is required; it will not work in standard desktop motherboards that only accept unbuffered or registered ECC DIMMs.

Will this 3200 MHz CL22 module run stably alongside existing 2666 MHz DDR4 ECC LRDIMMs in the same Gigabyte R272 system?

Yes — the DIMM is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds, so it will down-clock to match the slower modules while maintaining ECC load-reduced operation.

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