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Eight green DDR4 LRDIMM modules in anti-static packaging

OWC

OWC 1TB (8x128GB) DDR4 3200 CL22 ECC LRDIMM 288-pin memory upgrade

SKU CH-68ET-MP289

Eight 128 GB DDR4 3200 CL22 ECC load-reduced DIMMs add 1 TB to compatible Supermicro H12SSL and H12SSW motherboards

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

Struck-through versions exist but are not stocked here.

  • 1TB server memory capacity using eight 128GB modules
  • DDR4 3200 speed with CL22 latency for responsive workloads
  • ECC load-reduced design protects data integrity in critical systems
  • 2V operation lowers power draw per module
  • Validated for Supermicro H12SSL and H12SSW motherboards

Server ECC LRDIMM kit

This OWC kit provides 1TB of DDR4 ECC Load Reduced memory across eight 128GB modules. It is built for Supermicro H12SSL and H12SSW series motherboards in server and workstation roles. Standard desktop systems cannot use this memory type.

Load Reduced ECC requirement

The single deciding specification is the Load Reduced ECC design with 4Rx4 organisation. This memory will not work in platforms that require unbuffered or standard registered ECC modules and cannot be mixed with those types.

1TB capacity for heavy workloads

The 1TB total handles large virtualisation clusters, in-memory databases and heavy rendering pipelines. Workloads that exceed 1TB per socket will require additional DIMM slots or higher density modules not included in this kit.

Highlights

  • 1TB server memory capacity using eight 128GB modules
  • DDR4 3200 speed with CL22 latency for responsive workloads
  • ECC load-reduced design protects data integrity in critical systems
  • 2V operation lowers power draw per module
  • Validated for Supermicro H12SSL and H12SSW motherboards

Specifications

BrandOWC
Part Number3L2D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemSupermicro Motherboard H12SSL-CT
Supermicro Motherboard H12SSL-NT
Supermicro Motherboard H12SSW-iNR
Supermicro Motherboard H12SSW-NTR

Other versions of this model

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Questions about this item

What does the 1TB capacity mean when installed in a compatible Supermicro server?

The kit provides eight 128GB modules for a total of 1TB of DDR4 3200 ECC Load Reduced memory, expanding the server's maximum addressable RAM for large workloads.

How does the PC4-25600 rating and CL22 latency affect real-world throughput?

The modules run at 3200MT/s with a CAS latency of 22 cycles; the motherboard will negotiate the highest common speed, which may be 2133, 2400, 2666, or 2933MT/s depending on the CPU and slot population.

What physical slot and keying do these 288-pin LRDIMMs require?

They fit standard DDR4 288-pin DIMM sockets with Load Reduced keying; the boards listed use the same pin-out, so the modules seat directly without adapters.

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