The Seagate ST4000VX016 is a 4TB 3.5-inch SATA hard disk drive from Seagate's SkyHawk series, specifically designed for surveillance applications. This drive is optimized for 24x7 workloads in systems that require high-capacity storage for video surveillance footage. Featuring a 6Gb/s SATA interface and 256MB of cache, it provides smooth, rapid data transfer rates, ensuring reliable performance in multi-drive surveillance systems. The SkyHawk series is built with ImagePerfect™ firmware, which minimizes dropped frames and downtime, offering a tailored solution for surveillance DVRs and NVRs. The ST4000VX016's support for up to 64 HD cameras makes it an ideal choice for security environments looking for dependable, around-the-clock video recording. With a focus on reliability and data integrity, this HDD ensures critical surveillance footage is stored securely and is readily accessible when needed.