Western Digital WD20PURX Hard Drive SATA 6 Gb/s 64MB Cache 3.5 Inch, 2TB (USED)
WD20PURX 2TB Surveillance Hard Drive. Trust a hard drive built for security systems. It can be easily integrated into your surveillance DVR system or NVR system. Buffer to host : 6 Gb/s. Cache (MB): 64.