WD Purple 2TB Surveillance 3.5" SATA HDD/Hard Drive - 6Gb/s, 5400rpm, 256MB Cache, OEM WD22PURZ

Uncompromising Storage with a WD Purple Surveillance Hard Drive WD Purple™ drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments.

An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system.