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Green PCB memory module with gold contacts and black heat spreader labels

OWC

OWC 256GB DDR4 3200 CL22 8Rx4 288-pin ECC Load Reduced LRDIMM server RAM

SKU CH-QFHY-GR7CH

256 GB DDR4 3200 CL22 ECC load-reduced LRDIMM for servers and workstations

  • High-capacity 256GB module maximises server memory density
  • ECC load-reduced design protects data integrity in critical workloads
  • DDR4 3200MHz CL22 speed accelerates throughput for demanding applications
  • JEDEC-standard 1.2V operation ensures broad platform compatibility
  • Backward compatible with 2133, 2400, 2666 and 2933MHz systems

256 GB DDR4 3200 LRDIMM

This OWC module provides 256 GB of DDR4 server memory rated at 3200 MHz with CL22 latency. It uses a 288-pin ECC load-reduced form factor operating at 1.2 V. The stick is designed for workstations, servers and NAS systems that require high-capacity registered memory.

Not for standard desktops

This memory will not work in standard desktop computers and cannot be mixed with unbuffered or ECC registered modules. Buyers who need memory for a consumer motherboard or who want to combine different ECC types should look elsewhere. It suits administrators upgrading compatible HP platforms using part numbers P07654H21, P43172B21, P20506-001 or P11448-0A1.

Fits DDR4 288-pin slots

The module installs directly into DDR4 288-pin LRDIMM slots and runs at 1.2 V. It is backward compatible with 2133, 2400, 2666 and 2933 MHz bus speeds, allowing use in older DDR4 server platforms. JEDEC and RoHS compliance ensures a warranty-safe upgrade that frees budget for other infrastructure components.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $1,543.99
Pricier than about 84% of the 6,523 comparable items (median $188.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

What server or workstation do I need that accepts 288-pin DDR4 ECC Load Reduced LRDIMM modules?

You need a server, workstation or NAS system with DDR4 memory slots that support 288-pin ECC Load Reduced LRDIMM modules; this module will not work in standard desktop computers and cannot be mixed with unbuffered or ECC Registered memory.

Can I install this 3200MHz CL22 module alongside existing 2666MHz DDR4 ECC Load Reduced DIMMs in the same system?

Yes, this module is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz DDR4 ECC Load Reduced DIMMs, so it can run alongside them at the speed of the slowest installed module.

How do I verify the module is running at 3200MHz with CL22 timings after installation?

Check the system BIOS or UEFI memory information screen, or use an operating system utility such as dmidecode on Linux or CPU-Z on Windows, to confirm the module reports PC4-25600 3200MHz CL22 operation.

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