500GB WD PURPLE HARD DISK (REFURBISHED) (code:3000)

Hard Disk – 500 GB Brand – WD PURPLE What is surveillance disk?          Surveillance drives are meant for recording video on 24/7 security systems. They typically use something called a network video recorder (NVR) or a digital video recorder (DVR). Unlike a PC, these drives have to be writing data—specifically, video data all the time. Categories: ALL ITEMS, Computer Accessories (Mouse, Keyboard, Hard Disk)