The WD 10TB Purple Pro Surveillance SATA HDD is a high-capacity internal hard drive designed for surveillance systems. With a storage capacity of 10TB, this drive is part of the WD Purple Pro series, known for its reliability and durability in continuous recording environments. It has a SATA interface, making it easy to connect to compatible systems, and is specifically optimized for surveillance applications, ensuring smooth and consistent performance for video storage and playback. This WD drive is ideal for use in security camera systems that require high storage capacity and reliability.