Seagate Surveillance 3.5 Inch Internal HDD 4TB SATA STBD4000101

• Industry's first surveillance-optimized hard drive platform improving video streaming and data integrity


• 4TB of storage capacity supports higher-resolution cameras and up to 16 drives per system and 32 cameras per drive


• Reliably performs in multi-drive systems with RAID support from RV sensors
  64MB Cache with SATA 6Gb/s interface


• Never miss a frame with quick time-to-ready.


• 24x7 operational capabilities


• Idle3 spin control features enable power-on in standby mode or drive spin-down to conserve power and improve reliability during archival periods

https://www.cnet.com/products/seagate-surveillance-hdd-stbd4000101-hard-drive-4-tb-sata-6gb-s/