WD Bare Drives 320GB WD Blue SATA III 5400 RPM 8 MB Cache Bulk/OEM Notebook Hard Drive WD3200LPVX
Seagate 320GB HDD SATA 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST320DM000)
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