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Four green LRDIMM sticks with gold contacts and black heat spreaders

Micron

Micron 256GB (4 x 64GB) DDR4 PC4-23466 2933MHz Registered LRDIMM Server Memory

SKU CH-SKJ3-PSX7N

Four 64 GB registered LRDIMMs deliver 256 GB of DDR4 server memory at 2933 MHz with CL21 latency

  • Total capacity256 GB
  • 256 GB total capacity from four 64 GB modules
  • 2933 MHz DDR4 speed rated to PC4-23466 standard
  • Registered LRDIMM design with CL21 latency for server stability
  • 288-pin DDR4 form factor built for registered memory slots
  • Micron server-grade memory bundle not compatible with desktop systems

256GB quad-channel DDR4 server kit

This Micron bundle delivers 256GB across four 64GB registered LRDIMMs running at 2933MHz. It targets administrators scaling virtualisation hosts or database nodes that demand high density per slot. The modules carry CL21 latency and conform to the PC4-23466 standard for enterprise workloads.

Registered LRDIMM form factor for dense platforms

Each stick uses the 288-pin LRDIMM layout with an onboard register to reduce electrical load on the memory controller. This allows the full 256GB to populate four slots without exceeding per-channel rank limits. The kit is explicitly not compatible with desktop motherboards, so it must be paired with a qualified server board and processor that support registered DDR4 LRDIMMs.

Matched quad-kit simplifies qualification

The four modules ship as a single validated set, removing the guesswork of mixing individual DIMMs from different production lots. Identical part numbers (MTA72ASS8G72LZ-2G9J1) ensure uniform timing, voltage and thermal behaviour across all channels. No extra software or firmware is included; the value lies in the pre-tested compatibility of the matched quartet.

How it compares

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

Price $1,428.99
Pricier than about 83% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $5.58 per GB
Cheaper than about 68% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Total capacity256 GB

Questions about this item

Will the PC4-23466 2933MHz speed hold under sustained server workloads?

The modules are rated for 2933MHz at PC4-23466 specification; sustained throughput depends on the platform memory controller and cooling.

What is the typical power draw and thermal output of four 64GB LRDIMMs running continuously?

Each LRDIMM includes a buffer that adds power over standard RDIMMs; total draw scales with all four modules active at 2933MHz.

Does this 288-pin DDR4 LRDIMM kit require a registered-memory-capable server motherboard?

Yes, the kit uses registered LRDIMM technology and is marked not compatible for desktops, so a server platform with LRDIMM support is required.

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