Never miss a thing. The Toshiba S300 Surveillance Hard Drives hold all the capacity you need to take on up to 64 high-definition surveillance video cameras, with equally high-performance and surveillance-critical reliability, designed to work 24/7. Compatible with DVR, NVR, video recorder systems designed for around-the-clock security, the surveillance never sleeps-so that you can. Record and stream high definition videos at lightning-fast speeds reliably with up to 10TB storage capacity - allowing you to store more high definition footage and more high quality frames per second.