Amazon.com: Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue) : Electronics
Internal HDD 1TB SATA3 Hard Drive cheap - Price of $16.49
WD 1TB Blue 7200 rpm SATA III 3.5" Internal WDBH2D0010HNC-NRSN