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
Bosch DVR-670-16A051 16 Channel DVR, 500 GB HDD
Magnavox 1080P DVR & DVD Recorder with 500GB HDD
Amazon.com: Western Digital WD AV-GP 500GB 32MB Cache SATA 3.0Gb/s 3.5inch (CCTV DVR, PC) Internal Hard Drive (Low power, Quiet) -w/1 Year Warranty : Electronics
Piczel 5208 8 CH H.264 Codec DVR with 500GB HDD, Internet, 3G/4G Smartphone Monitoring, E-mail and Text Message Alerts - Sam's Club
American Dynamics ADD800LTPV050 LT SERIES 8 CHANNEL 500GB
Speco Technologies D8WCSM500 8 Channel Wall Mount Dvr, 500Gb
Night Owl Security L-85-4511 8-Channel 960H DVR - 500GB HDD - 4 HD Night Vision Cameras
Vivetronic 500GB 8MB Cache 5700PM SATA 3.0Gb/s 3.5" Internal CCTV DVR Hard Drive (TP42232A000500GA) -
TiVo Edge for Antenna With All-In Service - Subscription Free DVR – Channel Master
TiVo Bolt Vox™ (500GB storage) 4-tuner DVR with voice control: records cable TV programs or over-the-air broadcasts, and streams web content at Crutchfield
MaxDigitalData 500GB 8MB Cache 5900PM SATA 6.0Gb/s 3.5" Surveillance CCTV DVR Hard Drive (MD500GSA859DVR) -
Amazon.com: Western Digital AV 500GB 8MB Cache SATA2 3.5" Hard Drive (for CCTV DVR, cool, quiet &reliable) -w/ 1 Year Warranty : Electronics
Video Surveillance DVR Hard Drive 500GB
Piczel 5208 8 CH H.264 Codec DVR with 500GB HDD, Internet, 3G/4G Smartphone Monitoring, E-mail and Text Message Alerts - Sam's Club