WD Enterprise Hard Drive 3.5" 500G SATA 64M Cache 7200 WD5003ABYX

WD RE4 500 GB Enterprise Hard Drive, 3.5 Inch, 7200 RPM, SATA II, 64 MB Cache (WD5003ABYX) (Old Model)

New Western Digital RE4 WD5003ABYX 500GB SATA2 7200rpm 64MB Enterprise Hard Drive 3.5 Inch

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

WD Black 500GB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD5003AZEX

Western Digital WD5002ABYS RE3 3.5-inch Enterprise SATA Hard Drive (500 GB, 1.2 million hours MTBF, 16 MB Cache, 7200 RPM)

WD Blue 1TB SATA 6 Gb/s 7200 RPM 64MB Cache 3.5 Inch Desktop Hard Drive (WD10EZEX)

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

WD Blue 500GB Mobile Hard Disk Drive - 5400 RPM SATA 6 Gb/s 7.0 MM 2.5 Inch - WD5000LPVX

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX

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