The Toshiba HDWT740UZSVA is a high-capacity 4TB HDD from the S300 Surveillance series. This 3.5-inch drive is engineered for use in surveillance systems, offering plenty of storage for continuous video recording in a variety of environments. The 'Green' designation indicates enhanced energy efficiency, making it a conscientious choice for operations looking to reduce power consumption without compromising on storage or surveillance capabilities. With Toshiba Bulk's commitment to reliability, this HDD provides a dependable solution for security systems requiring extended operation times and durability.