Ideal upgrade or replacement hard drive for DVRs & PVRs SATA interface Great for 247 video recording Reduced heat generation enables surveillance systems & PVRs to run cooler & longer Lower power consumption Optimised for recording of multiple simultaneous video streams The first video surveillance hard drive with perpendicular recording technology Engineered to maintain high video data integrity Please be aware not all systems support all capacities Not for use inside PCs Does not support data only video