Amazon.com: Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue) : Electronics
Seagate BarraCuda ST1000DM010 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive - Walmart.com
Amazon.com: Western Digital 1TB WD Black Performance Mobile Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 32 MB Cache, 2.5" - WD10JPLX (Old Version) : Electronics
Amazon.com: Western Digital 1TB WD Black Performance Mobile Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 64 MB Cache, 2.5" - WD10SPSX, Mechanical Hard Disk : Electronics