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Eight green DDR4 RDIMM modules in anti-static tray

OWC

OWC 512GB (8×64GB) DDR4 3200 CL22 ECC RDIMM 3R2D42R4512K

SKU CH-BEW6-VTY5Q

Eight 64 GB DDR4 3200 CL22 ECC registered DIMMs totalling 512 GB for HP SimpliVity 380 Gen10 servers

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 512GB (8 x 64GB)

  • 512 GB kit (8 × 64 GB) scales server capacity
  • DDR4 3200 CL22 delivers high bandwidth
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • Validated for HP SimpliVity 380 Gen10

Server-grade ECC RDIMM kit

This 512GB kit contains eight 64GB DDR4 3200 registered DIMMs built for the HP SimpliVity 380 Gen10 platform. Each module runs at PC4-25600 with CL22 latency and 1.2V operation. The 2Rx4 organisation and ECC registration target workloads that demand data integrity over raw desktop speed.

Sustained throughput stability

Registered buffering reduces electrical load on the memory controller so all eight slots can stay populated without signal degradation during long compute runs. ECC corrects single-bit errors on the fly, preventing silent data corruption that would otherwise accumulate under continuous heavy utilisation.

288-pin registered form factor

The modules lack heat spreaders, relying on chassis airflow in the validated SimpliVity 380 Gen10 bays. Mixing with unbuffered or load-reduced DIMMs is not supported, so the full kit must be installed as a matched set. Replacement part numbers include P43170-B21, P06035-B21 and P07650-B21 among others.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $3,067.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.99 per GB
Cheaper than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R4512K
Total capacity512 GB (8 × 64 GB)
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP SimpliVity 380 Gen10

Other versions of this model

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Questions about this item

How much power does the 512GB DDR4 3200 kit draw when the server runs continuously?

Each 64GB module operates at 1.2V, the standard DDR4 voltage, so the eight-module kit stays within typical registered DIMM power limits for all-day workloads.

What must the buyer already have for this 8×64GB ECC RDIMM kit to function?

An HP SimpliVity 380 Gen10 server with free 288-pin DDR4 slots that accept registered ECC memory; the modules will not work in standard desktops or with unbuffered or load-reduced DIMMs.

Can the 3200 CL22 registered modules share channels with older DDR4 RDIMMs already installed in the SimpliVity 380 Gen10?

OWC recommends matching capacity, speed and manufacturer for optimal performance, so mixing different DDR4 RDIMMs may reduce stability or force the system to run at the slowest common settings.

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