Aposonic Professional D-Series 32-Channel H.264 1.5U 1080P CVI/TVI/AHD/IP/Analog 5-in-1 CCTV Surveillance DVR, HDMIx2/VGAx1 Out, Mobile Access, Mac Supported 1080P/1080N/720P/960H/D1/Half D1/CIF/QCIF Recording / Playback Quality. Support 1/4/9/16CH simultaneous playback. Max record capabilities - 480fps@1080p, 960fps@1080p-lite/720p/960H. Max IP Input x 32, each channel up to 5MP 4 x HDD bay, support up to 32TB. 4 x Audio-in / 1 x Audio-out, 16 x Alarm-in, 1 x RS-485 and 1 x RS-232 port Firmware upgradable. Self-adaptive 10M/100M/1Gbps network interface. Dual streaming technology to encode recording stream and network stream separately. Live view through all browsers on PC and Mac. Streaming live video / playback on mobile smart phones or tablets via free app.