• Recording Bandwidth• 100Mbps （4ch）/ 320Mbps （8ch）/ 320Mbps （16ch）/ 640Mbps （32ch）• 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• 16 SATA HDDs, each HDD up to 6TB• e-Sata• yes• USB• 1x3.0 USB for backup/upgrade , 2x 2.0 USB for mouse• ONVIF• yes• Dimension(W×D×H)• 440*460*89mm• 440*460*164.5mm