The Toshiba S300 Pro 8TB 3.5-inch internal hard drive is engineered for high-performance, 24/7 video surveillance recording. It provides reliable, high-capacity storage for network video recorders (NVRs), digital video recorders (DVRs), and hybrid DVR systems. With a substantial 8TB capacity, this surveillance HDD can store large volumes of high-resolution video footage. It is designed to support up to 64 simultaneous high-definition camera streams, ensuring comprehensive coverage without performance degradation. The S300 Pro series incorporates built-in Rotational Vibration (RV) sensors, which help to mitigate the effects of vibration in multi-bay storage enclosures. This feature maintains consistent performance and reliability in large-scale surveillance setups. The drive also utilises Toshiba's Dynamic Cache Technology to optimise cache allocation for read and write cycles, improving real-time performance. Built for continuous operation, the S300 Pro has a workload rating of up to 180 TB per year and an MTTF (Mean Time to Failure) of one million hours, offering dependable storage for critical security applications.