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Green rectangular server memory module with gold contacts and black chips

Crucial

Crucial MTC40F4086S1HC88XD1R 64GB DDR5-8800 MRDIMM server RAM

SKU CH-0D2H-WPZT5 MPN MTC40F4086S1HC88XD1R

64GB DDR5-8800 MRDIMM server memory with ECC, CL36 latency and 1.10V operation

  • Total capacity64 GB
  • Rated speedDDR5 8800 (PC5 70400)
  • CAS latencyCL36
  • Rated voltage1.1 V
  • Product type287-pin MRDIMM
  • High bandwidth for demanding workloads with DDR5 8800 speed
  • Data integrity protected by ECC error correction
  • Low latency response from CL36 timing
  • Energy efficient operation at 1.10 volts
  • High density 64GB capacity in 287-pin MRDIMM form factor

Server MRDIMM 64GB DDR5 8800

This module delivers 64GB of DDR5 server memory in a 287-pin MRDIMM form factor. It operates at 8800 MT/s with CAS latency 36 and runs at 1.10 V. The quad-rank 4Rx8 design targets high-density enterprise workloads.

ECC and MRDIMM architecture

On-die ECC protects data integrity across the full 64GB capacity. The MRDIMM interface doubles data rate over standard DDR5 while keeping the same pin count. CL36 timing balances latency with the 8800 MT/s transfer speed.

Suits multi-socket servers needing maximum

Ideal for virtualisation hosts, in-memory databases and HPC nodes that require 64GB density at 8800 MT/s. Not suited for desktop platforms or single-socket boards lacking MRDIMM support. Buyers who need lower capacity per DIMM or standard RDIMM pin-out should look elsewhere.

How it compares

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

Price $2,016.99
Pricier than about 87% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $31.52 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameMicron
Model nameMTC40F4086S1HC88XD1R
Part numberMTC40F4086S1HC88XD1R
Total capacity64 GB
Product type287-pin MRDIMM
Performance
Rated speedDDR5 8800 (PC5 70400)
Memory
CAS latencyCL36
ECC supportYes
Power
Rated voltage1.1 V
Size & build
Shipping weight0.04 kg
Package size320 × 226 × 97 mm

Questions about this item

How often will the 287-pin MRDIMM need replacement under normal server workloads?

DDR5 MRDIMMs are solid-state with no moving parts, so the module itself does not wear out; replacement is only needed if a hardware fault occurs or capacity requirements change.

What limits sustained throughput at DDR5 8800 speeds?

The CL36 latency and 1.10 V operating voltage set the timing and power envelope that define maximum sustained bandwidth.

How much heat does the 64 GB quad-rank module generate during continuous operation?

At 1.10 V the module runs within standard DDR5 thermal limits; adequate chassis airflow keeps temperatures in the normal operating range.

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