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Eight green DDR4 LRDIMM sticks with gold contacts, no heat spreaders

OWC

OWC 256GB (8x32GB) DDR4 2666MHz CL19 ECC Load Reduced LRDIMM 1.2V 288-pin server RAM

SKU CH-YEC9-F6WA7

Eight 32GB DDR4 2666MHz ECC load-reduced DIMMs totalling 256GB for server and workstation upgrades

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 256GB (8 x 32GB)

  • 256GB total capacity from eight 32GB modules
  • ECC load-reduced design protects server data integrity
  • DDR4 2666MHz CL19 speed for responsive workloads
  • 2V operation reduces power draw per module
  • Backward compatible with 2133MHz and 2400MHz systems

Server-grade ECC LRDIMM kit

This OWC kit delivers 256GB across eight 32GB DDR4 2666MHz modules built to the PC4-21300 standard. Each stick is a 288-pin load-reduced DIMM with ECC, CL19 latency and 1.2V operation, designed for servers, workstations and compatible NAS systems that require registered memory with error correction.

Replaces lower-capacity or slower DDR4 LRDIMMs

The kit is backward-compatible with 2133MHz and 2400MHz DDR4 slots, so it can upgrade existing memory running at those speeds without platform changes. The jump is worth it when a workload needs the full 256GB capacity or the higher 2666MHz data rate, and the motherboard supports load-reduced ECC modules in a 4Rx4 configuration.

Fits 288-pin DDR4 server boards that accept LRDIMMs

Installation requires a platform that explicitly supports load-reduced ECC memory; it will not work with standard desktop boards or unbuffered DIMM slots. The eight-module layout fills eight DIMM slots in a dual-channel arrangement, freeing no extra slots but maximising the memory ceiling the board allows. No heat spreaders are fitted, so airflow in the chassis must handle the modules directly.

Punti di forza

  • 256GB total capacity from eight 32GB modules
  • ECC load-reduced design protects server data integrity
  • DDR4 2666MHz CL19 speed for responsive workloads
  • 2V operation reduces power draw per module
  • Backward compatible with 2133MHz and 2400MHz systems

Caratteristiche tecniche

BrandOWC
Part Number2L6D44R4256K
Capacity256GB (8 x 32GB)
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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Domande su questo articolo

Does the 288-pin DDR4 LRDIMM fit a standard server DIMM slot?

Yes, the 288-pin form factor matches standard DDR4 server DIMM slots that accept load-reduced modules.

What is the correct installation sequence for the eight 32GB modules in a dual-channel kit?

Populate identical modules in matching channel slots per the motherboard manual; the common error is mixing ranks or leaving a channel unbalanced.

When should the ECC load-reduced modules be replaced in a 24/7 server?

Replace modules if ECC correctable error counts rise sharply or the system logs uncorrectable memory errors during sustained operation.

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