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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 256GB DDR4 3200 ECC Load Reduced LRDIMM 288-pin 1.2V memory upgrade

SKU CH-ZJHJ-ZFJMZ

Single 256 GB DDR4 3200 ECC load-reduced LRDIMM for Gigabyte servers and workstations, running at 1.2 V with CL22 latency

Capacity 256GB

  • Massive 256GB capacity in a single module
  • ECC load-reduced design protects server data integrity
  • 3200MHz DDR4 speed with CL22 latency
  • 2V operation reduces power draw in dense configs
  • JEDEC & RoHS compliant for warranty-safe upgrades

Server memory upgrade

This OWC module delivers a single 256GB DDR4 3200 LRDIMM built for Gigabyte G492-Z52, H242-Z10, H242-Z11, H252-3C0 and H252-Z10 platforms. It operates at 1.2V with CL22 latency and meets JEDEC PC4-25600 specifications. The ECC load-reduced design targets servers, workstations and NAS systems that require maximum capacity per slot.

Replaces lower-density RDIMMs

The jump is worth it when existing registered DIMMs limit total memory or leave slots empty on these Gigabyte boards. Load-reduced technology reduces electrical load on the memory bus so the 8Rx4 organisation can populate every channel without signal degradation. It cannot be mixed with unbuffered or standard ECC registered modules.

Sustained load behaviour

Under continuous workloads the module maintains 3200MHz throughput while ECC corrects single-bit errors in real time. Backward compatibility with 2133, 2400, 2666 and 2933MHz buses lets the same DIMM run stably at lower speeds if the platform requires it. The 1.2V operation keeps thermals predictable during extended duty cycles.

How it compares

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

Price $1,561.99
Pricier than about 65% of the 21,161 comparable items (median $397.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Other versions of this model

5 more in the same range

Questions about this item

Will the 288-pin LRDIMM fit my Gigabyte G492-Z52 server board?

Yes — the module is a 288-pin DDR4 ECC load-reduced DIMM built for Gigabyte G492-Z52, H242-Z10, H242-Z11, H252-3C0 and H252-Z10 platforms.

What is the correct way to seat this 256GB DDR4 3200 ECC load-reduced DIMM?

Align the notch with the slot key, press straight down until both retention clips click, and do not mix it with unbuffered or registered ECC modules.

When should I plan to replace this 256GB DDR4 3200 CL22 LRDIMM?

The module carries a limited lifetime warranty; replace it only if diagnostics report correctable or uncorrectable ECC errors.

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