Seagate 3.5", 1TB, SATA3, BarraCuda Hard Drive, 7200RPM, 64MB Cache
WD Blue 1TB 3.5 Inch 7200rpm 64mb Cache Sata III Internal Hard Drive - TechNextDay
Western Digital 1TB Purple 3 5" Hard Drive Trade Only
1TB SATA P300 High Performance HDWD110 HDKPC32AKA01 S 7200rpm 3.5" Hard Drive 1TB SATA P300 High Performance HDWD110 HDKPC32AKA01 S 7200rpm 3.5" Hard Drive - Claymore Limited
Upgrade 1TB 3.5" Internal Hard Drive HDD SATA - IJT Direct
WD IntelliPower AV-GP 1TB SATA III 64MB Cache 3.5" Hard Drive HDD - TAB Retail
Western Digital Blue WD10EZEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5-Inch Internal Hard Drive : Amazon.co.uk: Computers & Accessories
Western Digital WD Red Plus 1TB 3.5" HDD SATA III 6Gb/s 64MB NAS Internal Hard Disk Drive - WD10EFRX
Seagate Pipeline 1TB SATA 5900RPM 3.5 Inch Internal Hard Drive - Laptops Direct