Western Digital (WD) Black 320 GB (320gb) Mobile Hard Drive: 2.5 Inch, 7200 RPM, SATA II, 16 MB Cache- 1 Year Warranty for Laptop, Mac, PC, and PS3

Western Digital Caviar Blue 320 GB Bulk/OEM Hard Drive 3.5 Inch, 8 MB Cache, 7200 RPM SATA II WD3200AAJS

WD Black 500GB Performance Mobile Hard Disk Drive - 7200 RPM SATA 6 Gb/s 32MB Cache 7 MM 2.5 Inch - WD5000LPLX

Western Digital Caviar Blue WD3200AAJS 320GB 8MB Cache 7200RPM SATA 3.0Gb/s 3.5" Desktop Hard Drive

Seagate Laptop Thin 500 GB 7200RPM SATA 6 GB/s 32 MB Cache 2.5 Inch Hard Disk Drive (ST500LM021)

WD Blue 1TB Mobile Hard Disk Drive - 5400 RPM SATA 6 Gb/s 128MB Cache 2.5 Inch - WD10SPZX

Seagate Momentus Thin 320 GB 7200 RPM SATA 3Gb/s 16 MB Cache 2.5-Inch Internal Notebook Hard Drive (ST320LT007)

HGST Travelstar 2.5-Inch 320GB 7200RPM SATA III 32MB Cache SATA 6Gbps Internal Bare or OEM Drives (HTS725032A7E630)

HGST Travelstar 2.5-Inch 500GB 7200RPM SATA III 32MB Cache SATA 6Gbps Internal Bare or OEM Drives (HTS725050A7E630)

WD 2016 New Blue 1TB 2.5 inches Laptop Notebook Internal SATA 6Gb/s Hard Drive 9.5mm Height 5400RPM Model WD10JPVX

Seagate 500GB BarraCuda SATA 6Gb/s 128MB Cache 2.5-Inch 7mm Internal Hard Drive (ST500LM030)