WESTERN DIGITAL 1TB-7200 RPM Class. SATA 6 Gb/s. 64 MB Cache. 3.5″ – WD10EZEX. Performance 3.5-inch hard drive available in up to 1TB capacities. Designed for creative professionals, gamers and system builders. Reliable everyday computing. WD quality and reliability. Free Acronis True Image WD Edition cloning software. Massive capacities up to 6 TB available. 2-year manufacturer’s limited warranty.