WD20EARS Western Digital SATA 3.0 Gbps 2TB Hard Drive
Western Digital WD Green 2TB 5400 RPM 3.5" Internal HDD - Newegg.com
MaxDigitalData 4TB 64MB Cache 5900PM SATA 6.0Gb/s 3.5" Surveillance Hard Drive - EZ Office Products
Amazon.com: White Label WL 1TB 64MB Cache 5900RPM SATA III (6.0Gb/s) (Quiet & Heavy Duty) Internal Desktop 3.5" Hard Drive (PC,CCTV DVR) - w/ 1 Year Warranty : Electronics
Western Digital WD20EARS-60MVWB0 - 2TB 5.4K RPM 64MB Cache SATA 3.5" Hard Drive - CPU Medics
Amazon.com: White Label 6TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive w/1 Year Warranty : Electronics
WD WD20EZRX-22D8PB0 - 2TB 7.2K SATA 3.5" 64MB Cache Hard Drive
Amazon.com: Western Digital RE WD3000FYYZ 3TB 7.2K RPM 64MB Cache 6Gb/s SATA 3.5" Enterprise HDD (Renewed) : Electronics
Western Digital WD Green WD20EZRX 2TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - TechnoDeals USA
WD Purple WD20PURX 2TB Surveillance 3.5" Internal SATA Hard Drive