Secure high bandwidth recording 16 ch. expandable to 32 ch. camera input. Support H.265 / H.264 mixed recordings. 512 Mbps total through put (including 256 Mbps recording bandwidth) DigiCert (formerly Symantec) device certificates pre-installed *Secure Communication Kits are necessary. PC-less non-VMS surveillance solution No camera license fees with a default number of cameras; no annual license updates required. Built-in GUI and Dual HDMI (4K / FHD) outputs Automatic camera configuration Scalable storage (4) integrated drive-bays RAID 1 / 5 / 6 *Additional RAID Kit license is necessary to use the RAID feature. External storage expansion up to 132 TB High reliability and high efficiency data reading/writing Dynamic HDD power management increases HDD life TURBO-RAID for quick RAID recovery without sacrificing recording bandwidth and performance Eco-writing : Acceleration of data access (reading/writing) by original file system Instantaneous power failure measures: Normal operation at instantaneous power failure within 200 ms; safe shutdown at power failure of 200 ms or more.