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Eight green DDR4 LRDIMM sticks in anti-static packaging

OWC

OWC 1TB (8x128GB) DDR4 2666MHz CL19 ECC Load Reduced LRDIMM 1.2V 288-pin Server Memory

SKU CH-5M3F-6150G

Eight-module 1 TB DDR4 2666 MHz ECC load-reduced kit for servers, workstations and NAS systems

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1TB total capacity across 8 modules for maximum server density
  • DDR4 2666MHz CL19 speed with ECC load-reduced design for data integrity
  • 2V operation reduces power draw in multi-module configurations
  • 288-pin LRDIMM form factor fits server and workstation slots
  • Backward compatible with 2133MHz and 2400MHz systems for flexible deployment

Server capacity upgrade

This OWC kit delivers 1TB of DDR4 server memory across eight 128GB LRDIMM modules. Each stick runs at 2666MHz with CL19 latency and 1.2V operation. The load-reduced design targets enterprise workloads that demand high density and error correction.

Suits multi-socket servers and workstations

IT teams upgrading compatible 288-pin platforms gain maximum registered ECC capacity per channel. Builders needing unbuffered desktop RAM, non-ECC modules or smaller capacities should select a different product line. Mixing with standard UDIMMs is not supported.

Installation follows standard DIMM procedure

Align the 288-pin edge connector with the motherboard slot and press until the retention clips engage. The kit is backward compatible with 2133MHz and 2400MHz bus speeds. The most common issue is installing these LRDIMMs in systems that only accept unbuffered memory.

Ciri-ciri utama

  • 1TB total capacity across 8 modules for maximum server density
  • DDR4 2666MHz CL19 speed with ECC load-reduced design for data integrity
  • 2V operation reduces power draw in multi-module configurations
  • 288-pin LRDIMM form factor fits server and workstation slots
  • Backward compatible with 2133MHz and 2400MHz systems for flexible deployment

Spesifikasi

BrandOWC
Part Number2L6D44R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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What motherboard slot and memory standard are required for the 288-pin DDR4 LRDIMM modules in this kit?

The kit uses 288-pin DDR4 LRDIMM modules, so the motherboard must provide DDR4 LRDIMM slots with ECC and load-reduced support.

How will the 2666MHz CL19 modules behave if installed alongside existing 2133MHz or 2400MHz DDR4 LRDIMMs?

The modules are backward compatible with 2133MHz and 2400MHz speeds; the system will run all modules at the lowest common speed and matching timings.

How can I verify that all eight 128GB modules are recognised and running at 2666MHz with ECC active after installation?

Check the BIOS memory information or use a tool such as dmidecode to confirm 1TB total capacity, 2666MHz speed, CL19 latency and ECC status for each module.

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