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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.

Pluspunten

  • 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

Specificaties

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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Vragen over dit artikel

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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