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Green circuit board with gold edge connector and black memory chips

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 LRDIMM ECC Gigabyte G492-Z52 H242-Z10 H242-Z11 H252-3C0 H252-Z10 Memory Upgrade

SKU CH-87X0-RE6J0

128GB DDR4 3200 CL22 ECC load-reduced DIMM validated for Gigabyte G492-Z52, H242-Z10, H242-Z11, H252-3C0 and H252-Z10 servers

  • Total capacity128 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4

Capacity 128GB

  • 128GB capacity enables large-scale virtualization and in-memory databases
  • DDR4 3200 speed with CL22 latency delivers high-throughput server performance
  • ECC load-reduced design corrects errors while reducing electrical load on the memory bus
  • 2V operation lowers power draw for dense multi-DIMM configurations
  • Validated for Gigabyte G492-Z52, H242-Z10, H242-Z11, H252-3C0 and H252-Z10 platforms

128GB DDR4 LRDIMM for Gigabyte Servers

This 128GB DDR4 3200 ECC Load Reduced DIMM is built for the Gigabyte G492-Z52, H242-Z10, H242-Z11, H252-3C0 and H252-Z10 platforms. It targets server and workstation operators who need high-density registered memory with error correction. The module will not work in standard desktop computers or alongside unbuffered or registered ECC DIMMs.

Sustained 3200MHz Operation

Running at PC4-25600 with CL22 latency and 1.2V, the module maintains its rated speed under continuous server workloads rather than only in short bursts. The load-reduced architecture reduces electrical load on the memory controller, helping stability when all slots are populated. Backward compatibility with 2133MHz, 2400MHz, 2666MHz and 2933MHz systems allows deployment in mixed-speed environments.

288-Pin LRDIMM Form Factor

The 288-pin LRDIMM fits the DDR4 slots of the listed Gigabyte systems without a heat spreader, simplifying installation in dense chassis. JEDEC and RoHS compliance ensures the module meets industry electrical and environmental standards. ECC load-reduced design supports data integrity for critical applications, while the single-module capacity lets administrators reach high memory totals with fewer occupied slots.

How it compares

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

Price $796.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
CAS latency 22
Typical for this category: the median of 483 items is 22.
Price per GB $6.23 per GB
Cheaper than about 63% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D44R4128G
Total capacity128 GB
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency22
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte G492-Z52
Gigabyte H242-Z10
Gigabyte H242-Z11
Gigabyte H252-3C0
Gigabyte H252-Z10

Other versions of this model

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Questions about this item

Does the 1.2V DDR4 3200 LRDIMM run cooler than standard registered ECC modules in a Gigabyte H242-Z10?

Load-reduced modules lower electrical load on the memory bus, which can reduce power draw per DIMM compared to registered ECC at the same speed and voltage.

My Gigabyte G492-Z52 currently has Micron MTA72ASS16G72LZ3G2F1 installed — will this OWC 128GB 4Rx4 module work alongside it?

Yes, the module is validated against Micron MTA72ASS16G72LZ3G2, MTA72ASS16G72LZ3G2F1 and MTA72ASS16G72LZ3G2B3 part numbers for direct compatibility.

Can I mix this 3200 CL22 LRDIMM with existing 2666 MHz ECC load-reduced DIMMs in a Gigabyte H252-Z10?

The module is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds, so it will operate at the lowest common speed when mixed.

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