The Toshiba S300 Pro Hard drive Surveillance 10 TB NVR & DVR is a high-capacity internal hard drive designed for surveillance systems. With a storage capacity of 10TB and a rotation speed of 7200 RPM, this hard drive is ideal for storing large amounts of video footage. The 3.5-inch form factor and Serial ATA interface make it compatible with various systems. Manufactured in the Philippines, this HDD from Toshiba is a reliable choice for professional surveillance setups.