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
Hitachi 7K500-320 320 Go 2.5" SATA Hard disk drive HDD 7200 rpm
00UP337 Lenovo 500GB 7200RPM SATA 6Gbps 32MB Cache 2.5-inch Internal Hard Drive
Seagate 2TB Enterprise Capacity 2.5 Internal Hard Disk Drive SATA 6.0Gb/s 7200 RPM 128MB Cache Model ST2000NX0303 - Newegg.com