Western Digital Purple HDD, 4 TB
WD Purple hard drives are designed for 24/7, always-on high-definition security systems. WD Purple Surveillance has Western Digital's exclusive AllFrame technology, so you can safely create a security system tailored to your business needs. Using AllFrame technology, WD Purple drives improve video recording and help reduce errors, pixel build-up, and video interruptions that can occur in a video recorder system. WD Purple drives have an advanced workload rating that supports systems designed to record 24x7 video with up to 64 cameras.