iPower Security SCNDVR0022 8-Channel H.264 D1 30FPS HDMI eSATA DVR (Grey/Black) Adopting TI high-performance processing chip, supporting D1 real-time recording Supporting bothHDMI-1920 x 1080 Supporting backup the recording files via USB Hard Disk, U disks, external connected eSATA Supporting protocol such as TCP/IP, PPPoE, DHCP, DNS, DDNS , UPNP, NTP, SMTP etc. Does not include Hard Disk