Seagate 3.5'' 500GB SATA 6Gb/s 5900rpm Video Surveillance HDD Internal HDD Mechanical Hard Disk 16MB Buffer For Desktop PC
Main Features:
Applicable models: surveillance VCR / desktop computer
Silent home high-speed hard drive monitoring Need for home audio and video recorder Universal Support 7X24 hours a day boot
SATA universal interface to support desktop all SATA serial interface serial port
Speed: 5900 RPM
Package Includes: 
1* 500GB Surveillance Internal Hard Drive Disk 3.5" for CCTV DVR NVR