WD Purple storage for surveillance environments is designed for continuous operation in HD security systems using up to eight hard drives and 32 cameras. Exclusive AllFrame technology uses ATA streaming to reduce pixel errors as well as video interruptions that occur when desktop hard drives are mistakenly used as storage in security systems. Desktop drives versus surveillance drives The compatibility of WD Purple dedicated drive technology for surveillance environments has been tested in numerous security systems. These drives are designed to replace standard desktop drives that are not designed for a demanding HD surveillance environment that operates 24/7. Desktop drives are designed for short-interval operation only and are not manufactured to withstand the high temperature fluctuations and equipment vibrations found in a typical surveillance application. Improve performance with AllFrame WD Purple- hard drives for surveillance systems feature AllFrame technology, which uses ATAStreaming to reduce video loss, improve playback and increase the number of drive bays supported. AllFrame reduces video interruptions that often occur when desktop hard disk drives are mistakenly used as storage in security systems. Missing and lost footage can prove to be a serious problem when a surveillance event occurs and your footage needs to be evaluated. WD Purple with AllFrame provides the security you need when you need to play back and review important surveillance footage.