The Western Digital 6TB HDD WD6002FFWX-68TZ4N0 Red Pro NAS Hard is a high-capacity internal desktop drive designed for use with PCs. This 3.5-inch HDD operates at a rotation speed of 7200 RPM and features a cache size of 128MB. With a storage capacity of 6TB, this drive offers reliable performance for 24/7 operation, thanks to its intelligent error recovery and advanced format features. The drive also supports SATA III and SATA I interfaces, making it compatible with a wide range of systems. This is a used Hard Drive, please check the CrystalDiskInfo screenshot for total hours used. All sales are final