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Single green 288-pin DDR5 DIMM with black heat spreader and gold contacts

Micron Technology, Inc.

Micron Technology, Inc. MTC40F2046S1RC56BD2 64 GB DDR5-5600 server RAM

SKU CH-S5NZ-CWANY MPN MTC40F2046S1RC56BD2

64 GB DDR5-5600 registered ECC DIMM for servers, CL46, 1.10 V, 288-pin

  • 64 GB capacity for high-density server workloads
  • DDR5-5600 speed delivers 5600 MHz data rates
  • ECC and registered design protects data integrity
  • CL46 CAS latency at 1.10 V operating voltage
  • Single 288-pin DIMM module simplifies installation

64 GB DDR5-5600 registered ECC module

Micron MTC40F2046S1RC56BD2 is a 64 GB DDR5-5600 registered ECC DIMM built for server platforms that require error-correcting memory. It operates at 5600 MHz with CL46 latency and a 1.10 V supply. The dual-rank design delivers high density in a single 288-pin module. It is suited for administrators scaling memory capacity in compatible enterprise systems.

Dual-rank 288-pin DIMM for registered channels

This module fits DDR5 registered DIMM slots that support ECC and 1.10 V operation. The registered signal processing reduces electrical load on the memory controller, allowing larger populations per channel. Builders must verify that the motherboard and CPU memory controller qualify DDR5-5600 registered ECC at this density. Systems without registered ECC support cannot use this module.

Single-module kit simplifies capacity upgrades

The package contains one 64 GB DIMM, so administrators can add capacity in precise increments without buying matched pairs. No additional cables, heatsinks or software licences are included. Buyers who need multi-module kits or non-ECC unbuffered memory for workstation boards should select a different product.

How it compares

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

Price $3,719.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).

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

Specifications

Size & build
Shipping weight0.45 kg
Package size178 × 102 × 51 mm

Questions about this item

Will the CL46 latency become the bottleneck during sustained heavy workloads?

CL46 is the rated CAS latency at 5600 MHz; under sustained load the module runs at this timing continuously.

How much heat and power does the 1.10 V registered DIMM produce when running all day?

The module operates at 1.10 V with registered signal processing, which reduces electrical load on the memory controller during continuous operation.

Does my server motherboard need a 288-pin DDR5 slot that supports registered ECC memory?

Yes, this is a 288-pin DIMM with registered signal processing and ECC, so the platform must provide a DDR5 registered-ECC slot.

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