Capacity:4 TB Reliable, High Capacity Video Drive Performance - Seagate Video 3.5 HDDs are designed to deliver reliable 24x7 operation-optimized for low-power consumption, quiet operation, smooth video streaming, high reliability and high capacity. Delivers up to 16 simultaneous streams of HD content, quiet operation to enhance viewing and listening experience, 24x7 operation for always-on demands DVR devices, entry level or home surveillance system storage solution.