22TB RED PRO 512MB CMR 3.5IN

The Western Digital WD Red Pro WD221KFGX is a 22TB hard drive for network attached storage, providing substantial capacity for shared files and other NAS data.

It uses CMR recording and a SATA interface in a 3.5-inch form factor. A 512MB cache and 7200 RPM rotational speed are among its listed specifications; the drive’s transfer rate is up to 265MB/s.

WD lists this model for NAS use, including RAID-optimized NAS systems. It is designed for storage in multi-user NAS environments.