Hitachi Z7K320-320 - 320GB 7.2K RPM SATA 7mm 2.5" Hard Drive - CPU Medics
Amazon.com: Western Digital (WD) Caviar Blue 320 GB (320gb) SATA II 7200 RPM 8 MB Cache Bulk/OEM Desktop Hard Drive for PC, Mac, CCTV DVR, NAS, RAID- 1 Year Warranty : Electronics
Cheap Western Digital WD3200BEKT 320GB 7.2K RPM SATA II | Refurbished