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Green DDR4 LRDIMM module 288 pins no heat spreader

Crucial

Crucial MTA72ASS8G72LZ3G2R2R 64GB DDR4 3200 CL22 4Rx4 288-pin LRDIMM server RAM

SKU CH-NN0E-P4P0B MPN MTA72ASS8G72LZ3G2R2R

A 64 GB DDR4 server module running at 3200 MHz with CL22 latency and 4Rx4 quad-rank organisation

  • Total capacity64 MB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Memory rank4Rx4
  • Product type288-Pin DDR4 SDRAM
  • 64 GB capacity enables large memory configurations
  • DDR4 3200 speed delivers high data throughput
  • CL22 latency supports responsive server operation
  • Quad-rank 4Rx4 organisation maximises module density
  • 288-pin LRDIMM form factor fits standard server slots

64GB DDR4 LRDIMM for servers

This 64GB DDR4 3200 module uses a 288-pin LRDIMM form factor and quad-rank 4Rx4 organisation. It targets server platforms that require high-density memory in a single slot. The CL22 latency rating matches the PC4-25600 speed grade.

Upgrading from lower-density RDIMMs

Replacing standard RDIMMs with this LRDIMM raises per-slot capacity without adding modules. The jump is worthwhile when the motherboard supports load-reduced DIMMs and the memory controller can address four ranks per channel. Systems limited to one or two ranks per slot cannot use this module.

Installation notes and common issues

Align the 288-pin edge connector with the DDR4 slot key and press until the retention clips engage. No heat spreader is fitted, so airflow across the PCB is the only cooling. The most frequent problem is a BIOS that does not recognise quad-rank LRDIMMs, resulting in no POST or reduced reported capacity.

How it compares

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

Price $633.99
Pricier than about 74% of the 6,523 comparable items (median $188.99).
Total capacity 64 MB
Lower than about 99% of the 6,064 comparable items (median 32 GB).
Price per GB $9,906.09 per GB
Pricier than about 96% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameCrucial
Part numberMTA72ASS8G72LZ-3G2R2R
Total capacity64 MB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
Memory rank4Rx4
Heat spreaderNo
Size & build
Shipping weight0.45 kg
Package size254 × 127 × 25 mm

Questions about this item

What 288-pin DDR4 slot does this LRDIMM module fit?

The module uses a standard 288-pin DDR4 LRDIMM form factor and installs in any server DIMM slot keyed for DDR4 3200 memory.

How is the quad-rank 4Rx4 LRDIMM seated, and what step is often missed?

Align the notch with the slot key, press firmly until both ejector clips click, then verify the BIOS detects 64 GB at 3200 MHz CL22.

When should this 64 GB DDR4 module be replaced?

Replace the stick if memory diagnostics report uncorrectable ECC errors or the system fails to POST with this module seated alone.

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