High-speed performance: With a read speed of up to 160 MB/s and a write speed of up to 150 MB/s, the Toshiba S300 delivers fast and reliable performance for all your storage needs Designed for surveillance: The S300 is specifically designed for use in surveillance applications, making it the perfect choice for home or business security systems Enhanced reliability: Featuring Toshiba's innovative RV sensor technology, the S300 is able to maintain stable performance even in environments with multiple high-definition cameras recording simultaneously 24/7 operation: The S300 is built to withstand the demands of continuous operation, making it an ideal choice for always-on surveillance systems Advanced formatting: The S300 features advanced formatting technology, allowing it to work seamlessly with a wide range of DVR and NVR systems