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Green circuit board with gold edge contacts and black memory chips

OWC

OWC 256GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC LRDIMM server RAM

SKU CH-T1FZ-3TARA

A 256 GB DDR4 3200 ECC load-reduced DIMM for servers, workstations and NAS systems, backward compatible down to 2133 MHz

  • High-capacity 256GB module expands server memory headroom
  • ECC load-reduced design maintains data integrity under heavy workloads
  • DDR4 3200MHz CL22 speed delivers responsive throughput
  • JEDEC-standard 1.2V operation ensures broad platform compatibility
  • Backward compatible with 2133 2400 2666 2933MHz systems

256 GB DDR4 3200 ECC LRDIMM

This module is a 256 GB DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2 V ECC load-reduced DIMM. It is built for servers, workstations and NAS systems that require registered load-reduced memory. The part replaces Dell part numbers AB663417, SNP9R6CMC/256G and AC319857. It is JEDEC and RoHS compliant.

Check motherboard manual for LRDIMM support

Verify that your platform accepts DDR4 ECC load-reduced DIMMs and does not require unbuffered or standard registered ECC modules. Mixing LRDIMMs with other ECC types is not supported. The memory runs at 3200 MHz CL22 and is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds. Confirm the board has 288-pin DDR4 slots and operates at 1.2 V.

Suits high-capacity server upgrades

This kit suits administrators expanding memory in compatible Dell servers or similar enterprise platforms that specify 256 GB LRDIMMs. It is not for desktop PCs, laptops or consumer motherboards that only accept unbuffered non-ECC memory. Builders needing standard registered ECC RDIMMs or smaller capacities should look at other module types.

Highlights

  • High-capacity 256GB module expands server memory headroom
  • ECC load-reduced design maintains data integrity under heavy workloads
  • DDR4 3200MHz CL22 speed delivers responsive throughput
  • JEDEC-standard 1.2V operation ensures broad platform compatibility
  • Backward compatible with 2133 2400 2666 2933MHz systems

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the 256GB LRDIMM module?

The package contains the single 288-pin DDR4 ECC load-reduced DIMM rated PC4-25600 3200MHz CL22 at 1.2V; no extra cables, brackets or software are included.

How do I choose between the listed Dell part numbers AB663417, SNP9R6CMC/256G and AC319857?

All three Dell part numbers refer to the same 256GB DDR4 3200 CL22 8Rx4 LRDIMM specification, so the module replaces any of them without further selection.

What does the PC4-25600 3200MHz rating mean once the module is installed in a server?

The module will run at up to 3200MHz with CL22 latency and 1.2V, and it will also operate at 2933MHz, 2666MHz, 2400MHz or 2133MHz if the platform requires a lower speed.

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