Supermicro 3TB 3.5" HDD-A3000-WD3001FYYG Internal Hard Drive
Amazon.com: Western Digital Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30PURX [Old Version] : Electronics
Western Digital WD30EFRX - 3TB 5.4K RPM 64MB Cache 6G SATA 3.5" Hard Drive - CPU Medics