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Green circuit board with black memory chips and gold edge connectors

Crucial

Crucial MTC20F2085S1RC56BR 32GB DDR5 5600 CL46 ECC registered server RAM

SKU CH-CCGP-NV6NX MPN MTC20F2085S1RC56BR

32 GB DDR5 5600 CL46 ECC registered dual-rank 288-pin DIMM for servers

  • Total capacity32 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • 32 GB capacity supports large server workloads
  • DDR5 5600 MT/s transfers data at high speed
  • CL46 latency with 46-45-45 timings optimises response
  • ECC registered design protects data integrity
  • Dual-rank 288-pin DIMM at 1.1 V fits standard slots

Server-grade DDR5 capacity

This Crucial module delivers 32 GB of DDR5 memory at 5600 MHz with CL46 latency. It uses a 288-pin registered DIMM form factor with dual-rank organisation and on-die ECC for data integrity. The stick runs at 1.1 V and is built for server and workstation platforms that require registered memory.

Thermals and power in normal use

Operating at the standard 1.1 V DDR5 voltage, the module draws minimal power per gigabyte during typical server workloads. Registered buffering reduces electrical loading on the memory controller, helping keep system thermals stable. No active cooling is required on the DIMM itself under normal airflow.

What this replaces and when to upgrade

The part replaces a missing or failed registered DDR5 DIMM in a compatible 288-pin server board. It also upgrades capacity when all slots are populated with lower-density modules and the platform supports 32 GB per slot. The jump is worth it when ECC integrity and registered signalling are mandatory for the workload.

How it compares

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

Price $424.99
Pricier than about 67% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $13.28 per GB
Pricier than about 73% of the 6,064 comparable items (median $7.25 per GB).

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

Specifications

Product
Total capacity32 GB
Performance
Rated speedDDR5 5600 (PC5 44800)
Size & build
Shipping weight0.45 kg
Package size183 × 160 × 137 mm

Questions about this item

How do I install the 288-pin DDR5 DIMM and what step is often missed?

Align the notch on the 288-pin DIMM with the slot key, press down evenly until both retention clips click, then verify the module is seated flush; the step often missed is checking that both clips fully engage.

What maintenance or replacement will the 32GB registered ECC module need later?

No routine maintenance is required; if a correctable ECC error count rises over time, replace the module, otherwise it runs for the system life.

What limit appears first on the CL46 5600MHz dual-rank kit under sustained load?

The 1.1 V operating voltage and CL46 latency define the thermal and timing envelope; sustained writes will hit the JEDEC thermal throttle point before bandwidth saturates.

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