The Toshiba S300 4TB Surveillance Hard Drive is a high-performance storage solution designed specifically for CCTV, DVR, and NVR surveillance systems. Built for reliable 24/7 operation, it supports up to 64 HD camera streams and features a 4TB capacity, SATA 6Gb/s interface, and large 256MB cache for smooth, continuous video recording. Optimised for demanding security environments, the S300 includes Toshiba Dynamic Cache Technology and integrated RV sensors to maintain stable performance in multi-drive systems, while its 180TB/year workload rating ensures dependable long-term operation for residential, commercial, and industrial surveillance applications.