S300 Surveillance Hard Drives Always On, Always Watching With surveillance systems, nothing but the best is good enough. The Toshiba 3.5-inch S300 is built to meet the highest demands. With support for up to 64 high-resolution surveillance video cameras simultaneiously and up to 6 TB capacity, it brings everything into clear view. Each S300 is built with the highest-quality components and has passed rigorous tests to ensure 24x7 reliability and performance. That‘s Toshiba quality you can trust under the harshest working conditions. Use for Surveillance Digital Video Recorders (sDVR) Surveillance Network Video Recorders (sNVR) Hybrid sDVR (analog and IP) RAID Storage Arrays for Surveillance (only S300 4 TB – HDWT140UZSVA) TECHNICAL SPECIFICATIONS Form factor 3.5-inch Interface 6.0 Gbit/s Number of cameras supported 64 Drive bays supported up t 8 Rotational Vibration (RV) Sensors - Shock Sensor yes Advanced Format (AF) yes RoHS compatible yes Halogen free yes Recording Technology SMR Performance Rotational speed (rpm) 5400 Max. data transfer speed (sustained MB/s Typ.) 184 Buffer size (MB) 256 Average latency (ms) 5.56 Reliability Workloads (TB/year) 180 MTTF (hours) 1 000 000 Unrecoverable error rate 1 per 10^14 24 x 7 operation yes Load/Unload cycle 600 000 Limited warranty (years) 3 Power Management Supply voltage 5 V DC ±5 %12 V DC ±10 % Consumption (operating) 4.36 W typ. Consumption (active idle) 2.33 W typ. Environmental Temperature (operating/non-operating) 0 to 70 °C-40 to 70 °C Vibration (operating) 4.90 m/s2 {0.50 G}(5 to 350 Hz)2.45 m/s2 {0.25 G}(350 to 500 Hz) Vibration (non-operating) 29.4 m/s2 {3.0 G}(5 to 500 Hz) Shock (operating) 686 m/s2 {70 G}(2 ms duration) Shock (non-operating) 3430 m/s2 {350 G}(2 ms duration) Acoustics (idle mode) 22 dB typ. Physical Dimensions (L x W x H) 147 x 101.85 x 26.1 mm Weight 650 g