• Recording Bandwidth• Max 320Mbps• Recording Resolution• 8MP（4K),5MP, 3MP ,2MP(1080P),1.3MP(960P),1.0MP(720P)• Display Resolution• 1024*768, 1280*720, 1280*1024, 1440*900, 1920*1080, 1680*1050, 1600*1200, 1900*1200, 2560*1440, 3840*2160• Internal HDD• 8 SATA HDDs,each HDD up to 6TB• (for models over 16ch,2HDD are recommended for simultaneous use)• e-Sata• yes• USB• 1x3.0 USB for backup/upgrade , 2x 2.0 USB for mouse• ONVIF• yes• POE• 32 PoE ports single port up to 802.3at(30W)• Dimension(W×D×H)• 440*460*89mm