Toshiba S300 4TB 5400RPM 3.5" SATA Surveillance Hard Drive (Bulk) Capture Every Moment: Toshiba S300 Never miss a thing. The Toshiba S300 Surveillance Hard Drives hold all the capacity you need to take on up to 64 high-definition surveillance video cameras6, with equally high-performance and surveillance-critical reliability, designed to work 24/7. Compatible with DVR, NVR, video recorder systems designed for around-the-clock security, the surveillance never sleeps–so that you can. Record and stream high definition videos at lightning-fast speeds reliably with up to 10TB storage capacity - allowing you to store more high definition footage and more high quality frames per second. Applications: -Surveillance Network Video Recorders (sNVR) -Surveillance Digital Video Recorders (sDVR) -Hybrid sDVR (analog and IP) -RAID Storage Arrays for Surveillance Specifications: - Form Factor: 3.5-inch - Interface: SATA 6 Gbit/s - Capacity: 10TB, 8TB, 6TB, 5TB, 4TB - Rotational Speed: 7200 RPM (10/8/6 TB), 5400 RPM (5/4 TB) - Data Transfer Speed: Up to 248 MB/s - Cache size: 256 MB (10/8/6 TB), 128 MB (5/4 TB) - Workload: 180 TB/year (10/8/6 TB), 110 TB/year (5/4 TB) - Cameras Supported: 64 cameras (10/8/6 TB), 32 cameras (5/4 TB) What's in the box 1 x Toshiba Hard drive