Amazon.com: Seagate Pipeline HD 500GB 5900RPM 8MB Cache SATA 3.0Gb/s 3.5in Internal Hard Drive - ST3500312CS (for Surveillance System, CCTV DVR) - 3 Year Warranty (Renewed) : Electronics
Seagate 3.5'' 500gb Sata 6gb/s 7200rpm Internal Hdd Mechanical Hard Disk 16mb Buffer For Desktop Pc Computer Disco Duro Interno - Hard Disk Drive - AliExpress
Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX : Electronics
ST500DM002, W2A, WU, PN 1BD142-021, FW HP73, Seagate 500GB SATA 3.5 Hard Drive - Walmart.com
Amazon.com: Seagate ST500VM000 Video 3.5 HDD 500Gb 3.5 Sata 64Mb, 500 GB : Electronics
Amazon.com: Storite Generic 3.5 Inch SATA Internal Hard Drive (500GB) : Electronics
Amazon.com: WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 32MB Cache 3.5 Inch - WD5000AZLX : Electronics
Toshiba DT01ABA050V 500GB 32MB Cache 5700RPM SATA 6.0Gb/s 3.5" Surveillance Hard Drive - 3 Year
Lenovo 03T7041 500Gb 3.5" 7.2K RPM SATA Hard Disk Drive HDD
Apple 655-1564H - 500GB 7.2K RPM SATA 3.5" Hard Drive - CPU Medics
500GB HDD 3.5" 7200rpm SATA Hard Drive – MSU Surplus Store
Hitachi H3D5001672S 500GB 3.5" SATA 7200RPM HDD Hard Drive
Lot of 10x Western Digital 500GB 3.5in SAS HardDrive WD5000AADS
WD Blue WD5000AZLX 500GB 7200 RPM 32MB Cache SATA 6.0GB/S 3.5" Internal OEM HDD - Walmart.com