Amazon.com: Western Digital WD3200AAJS 320GB Hard Drive : Electronics
Amazon.com: WD Blue 320GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD3200AAKX : Electronics
Used - Like New: Western Digital Caviar Blue WD3200AAJS 320GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive Desktop Internal Hard Drives - Newegg.com
Cheap Western Digital WD1600AAJS 160GB 7.2K RPM SATA II | Refurbished
Hard WD Caviar Se16 320GB 7200U/Min 16MB Ata Ide Pata WD3200AAKB 3.5' Inch | eBay
WD WD2500AAJS-60Z0A0 Caviar Blue (3.5″ 250GB 2010) | Gough's Tech Zone
Buy the Western Digital Blue WD3200AAJB Desktop Hard Drive - Drive Solutions
Western Digital Blue 320GB 7200 RPM 3.5" Internal HDD - Newegg.com