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Green rectangular DDR5 DIMM with black memory chips and gold 288-pin edge connector

Crucial

Crucial MTC20C2085S1EC56BR 32GB DDR5 5600 CL46 ECC unbuffered server RAM

SKU CH-5RRR-GXBZA MPN MTC20C2085S1EC56BR

32 GB DDR5 5600 CL46 ECC unbuffered DIMM with dual-rank layout at 1.1 V

  • Total capacity32 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • High-capacity 32GB module expands server memory headroom
  • DDR5 5600 MT/s speed accelerates data-intensive workloads
  • CL46 latency timings balance responsiveness with stability
  • On-die ECC protects critical data against corruption
  • Low 1.1 V voltage reduces power draw per module

Single-module 32 GB DDR5 server memory

This Crucial module delivers 32 GB of DDR5 capacity in a single 288-pin DIMM. It operates at 5600 MHz with CL46 latency and includes ECC data-integrity checking. The unbuffered design suits platforms that accept non-registered memory.

Sustained-load behaviour with ECC and dual rank

Dual-rank organisation keeps both memory channels populated from one slot, helping maintain throughput during extended workloads. ECC corrects single-bit errors on the fly, reducing silent data corruption in long-running server tasks. The 1.1 V operating voltage limits heat rise under continuous operation.

Upgrade path from lower-capacity or non-ECC DDR5

Replacing smaller DDR5 modules with this 32 GB stick doubles per-slot capacity without adding DIMMs. The jump is worthwhile when the platform supports unbuffered ECC and the application benefits from error correction and higher density. Systems limited to registered memory or non-ECC operation cannot use this module.

How it compares

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

Price $2,742.99
Pricier than about 90% 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 $85.72 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Total capacity32 GB
Performance
Rated speedDDR5 5600 (PC5 44800)
Size & build
Shipping weight0.45 kg
Package size160 × 107 × 79 mm

Questions about this item

How much power does this 32 GB DDR5 5600 module draw when running continuously at its rated 1.1 V?

It operates at 1.1 V, the standard DDR5 voltage, so power draw scales with the 5600 MT/s data rate and the dual-rank 32 GB density under sustained load.

What motherboard slot and chipset features are required to run this 288-pin DIMM at 5600 MT/s with ECC enabled?

A DDR5 DIMM slot wired for 288-pin modules and a platform that exposes the ECC pins will allow the CL46 timings and PC5-44800 bandwidth to function.

Can this unbuffered ECC DIMM share a channel with registered or load-reduced DDR5 modules already installed in the server?

No, unbuffered and registered memory use different electrical signalling and cannot be mixed on the same channel.

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