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Green rectangular DDR4 RDIMM module with gold contacts and black chips P/N: OWC 256GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM

OWC

OWC 256GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM

SKU CH-3VQ9-NAXG4

Single 256 GB DDR4 3200 ECC registered RDIMM for servers and workstations

Capacity 256GB

  • ECC registered design protects data integrity in servers
  • Single 256GB module doubles density per slot
  • DDR4 3200 speed matches PC4-25600 bandwidth
  • 2V operation reduces power draw per DIMM
  • Validated against Samsung M393ABG40M52-CAE and Hynix HMAT14JXSRB120N

256 GB DDR4 3200 ECC Registered RDIMM

This single 256 GB DDR4 3200 module delivers PC4-25600 bandwidth at CL22 latency. It is built for select workstations, servers and NAS systems that require registered ECC memory. Standard desktop computers cannot use this module.

Octal-rank 288-pin 1.2 V design

The 8Rx4 octal-rank layout fits a 288-pin DIMM slot and operates at 1.2 V. ECC registered signalling adds error correction for data integrity in multi-module configurations. Mixing with unbuffered or load-reduced ECC DIMMs is not supported.

Cross-referenced to Samsung and Hynix parts

Compatibility is confirmed against Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N and HMAT14JXSRB122N, and Supermicro MEM-DR425MI-ER32. JEDEC and RoHS compliance ensures a warranty-safe upgrade. Buyers who need unbuffered ECC or load-reduced memory must choose a different module type.

Highlights

  • ECC registered design protects data integrity in servers
  • Single 256GB module doubles density per slot
  • DDR4 3200 speed matches PC4-25600 bandwidth
  • 2V operation reduces power draw per DIMM
  • Validated against Samsung M393ABG40M52-CAE and Hynix HMAT14JXSRB120N

Specifications

No published specifications for this item yet.

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Questions about this item

Does the DDR4-3200 PC4-25600 interface cap real-world throughput at 25600 MB/s?

The module is rated PC4-25600, which specifies a peak transfer rate of 25600 MB/s. Actual throughput depends on the platform's memory controller and channel configuration.

What physical slot and clearance does the 288-pin 8Rx4 RDIMM require?

It fits a standard 288-pin DDR4 DIMM socket. The registered design adds a register chip, so verify the motherboard supports registered RDIMMs and that heatsink clearance is adequate.

How is the ECC registered module installed, and what step do builders often miss?

Power down, open the chassis, align the notch with the keyed slot, and press firmly until both retention clips latch. The step often missed is confirming the platform supports registered ECC and does not mix it with unbuffered or load-reduced DIMMs.

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