CORSAIR WS DDR5 ECC RDIMM 64GB (4x16GB) 5600MHz CL40

Written analysis

CORSAIR WS DDR5 ECC RDIMM 64GB (4x16GB) 5600MHz CL40 at a glance

The CORSAIR WS DDR5 ECC RDIMM 64GB (4x16GB) 5600MHz CL40 from Corsair is listed as part number CMA64GX5M4B5600C40 and is a 64 GB DDR5 ECC Reg kit in a (4x16GB) layout on a DIMM form factor. It is ECC memory, aimed at servers and other systems that need error correction.

Best fit: Systems that explicitly support this ECC memory type and prioritize error correction over consumer overclocking features.

Performance

This kit runs at 5600 MT/s with primary timings of 40-40-40-77 and a calculated first-word latency of 14.29 ns. Its calculated performance score is 77.0, placing it in the basic performance tier. Because this is ECC memory, platform compatibility and the exact registered or unbuffered format must be checked separately from speed.

Cost-effectiveness

From a cost-efficiency view this kit is expensive per gigabyte at $10.9/GB. Combined capacity value is 83.2. That is an outstanding performance-and-capacity return for the Amazon price.