SA-8100SDI(1U) 8 CH 1080P HD-SDI REAL-TIME DVR 240/200fps- Real-Time recording 8CH HD-SDI BNC Audio 4 In/ 1 Out Alarm 8In / 1 Out HDMI, VGA, CVBS, PTZ 1U case Features 8CH 1080P HD-SDI Real-Time HD-SDI 240/200FPS Compression High Profile H.264> Output- VGA, CVBS, HDMI Audio- 4Ch input, 1 Ch output HDD - 3TB x2 SATA Alarm- x8 input, x1 output PTZ support Browser supported IE, Chrome, Safari, Firefox (Mac OS, Windows XP/Vista/7/8) 3G ProvisionCAM for iOS/Android