SEAGATE ST4000VX007 Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VXZ07) Mechanical Hard Disk 4TB HDD

Optimized for business, enterprise, and home sercurity systems, SkyHawk hard drives deliver 4TB of powerful capacity to support up to 64 simultaneously streaming HD cameras and zero dropped frames. Built-in RV sensors help maintain performance in multi-bay systems, offering the flexibility to scale systems when more storage is needed. Lower power consumption reduces heat emissions and improves reliability—plus, drive condition can easily be monitored with SkyHawk Health Management. Enjoy long-term peace of mind with 1M hours MTBF, an included three-year limited warranty protecrtion plan, and optional Rescue Data Recovery Services.