WD Surveillance CCTV cameras are durable hard disks which are designed to handle great workloads. It is a durable hard disk that can work with any CCTV recording machine or / and desktop.It is a great item and I can assure you that it will perform better.Get it today and it will not disappoint you. Thank you.WD Purple TM drives are built for 24/7, always-on, high-definition security systems. WD Purple TM 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 AllFrame TM technology, WD Purple TM drives improve video capturing and help to reduce errors, pixelation, and video interruptions that can occur in a video recorder system. WD Purple drives have an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras.