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Eight green 288-pin DDR4 LRDIMM modules with black chips, no heat spreaders

OWC

OWC 512GB (8x64GB) DDR4 3200MHz PC4-25600 CL22 4Rx4 ECC LRDIMM 1.2V 288-pin server RAM

SKU CH-PFRB-PCZ7E

Eight 64 GB DDR4-3200 ECC load-reduced DIMMs deliver 512 GB for server, workstation or NAS upgrades with JEDEC-standard CL22 timing at 1.2 V

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

  • 512 GB total capacity from eight 64 GB modules
  • DDR4 3200 MHz speed with CL22 latency for server workloads
  • ECC load-reduced design corrects errors and reduces electrical load
  • 2 V operation meets JEDEC standard for efficiency
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

Server-grade 512GB DDR4 kit

This OWC kit delivers 512GB of DDR4 ECC LRDIMM memory across eight 64GB modules. It runs at 3200MHz with CL22 latency and 1.2V operation. The load-reduced design targets servers, workstations and NAS systems that require registered ECC memory for data integrity. Standard desktop platforms cannot use these modules.

Verify platform and slot limits

Confirm your motherboard supports DDR4 LRDIMM modules and 4Rx4 organisation before ordering. The system must accept 288-pin registered ECC memory and provide enough DIMM slots for all eight sticks. Mixing these load-reduced modules with unbuffered memory is not supported and will prevent boot.

Replaces slower DDR4 or smaller kits

The kit is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz DDR4 speeds, so it can upgrade existing installations running at those rates. The jump is worthwhile when your workload needs the full 512GB capacity or when you are consolidating multiple smaller kits into a single validated set.

Helstu kostir

  • 512 GB total capacity from eight 64 GB modules
  • DDR4 3200 MHz speed with CL22 latency for server workloads
  • ECC load-reduced design corrects errors and reduces electrical load
  • 2 V operation meets JEDEC standard for efficiency
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

Tæknilýsing

BrandOWC
Part Number3L2D44R4512K
Capacity512GB (8 x 64GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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What comes in the box and is anything else needed to install the 512GB kit?

The box contains eight 64GB DDR4 3200MHz ECC LRDIMM modules. No extra parts are required; install them into compatible 288-pin server or workstation slots.

How do I decide between the 512GB kit and a smaller capacity for my server?

Choose the 512GB kit when your workload needs the full 8 x 64GB configuration; select a smaller kit if your board has fewer slots or the application does not require that much memory.

What does the 3200MHz speed mean once the modules are running in a real machine?

The modules run at 3200MHz CL22 and will down-clock automatically to 2933MHz, 2666MHz, 2400MHz or 2133MHz to match the platform's maximum supported speed.

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