WD Purple drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within Dvr and 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. With WD Purple, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems with improved power efficiency. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback. WD Purple Hard drives are built for 24/7, always-on, high-definition security systems. WD Purple surveillance hard drives feature Western Digital’s exclusive AllFrameTM technology, so you can confidently create a security system tailored to the needs of your business. Using AllFr