SKU: WD121PURP Category: Drives - HDD 3.5" Description Description SATA 6Gb/s, 7200RPM, 256MB Cache, Internal 3.5″ Surveillance Hard Drive Related products WD Ultrastar DC HC530 SATA 3.5″ 7200RPM 512MB 14TB NAS HDD Read more WD Red Plus 12TB SATA 3.5″ Intellipower 256MB NAS HDD 3Yr Wty. Read more WD Ultrastar DC HC310 SATA 3.5″ 7200RPM 256MB 6TB NAS HDD Read more WD Red Pro 6TB SATA 3.5″ 7200RPM 256MB NAS HDD 5Yr Wty Read more