Aposonic HVR504L-16 16-Channel Dahua OEM 1080P/720P/Analog HD-CVI Tribrid DVR w/ 3TB HDD, 1.5U, Mac Ready H.264 video compression; Recording rate: 1080P(1~15fps) / 720P(1~30fps) Tribrid supports HD-CVI, IP, and analog cameras; HDMI / VGA / BNC simultaneous video output. 1/4/8/16 channel synchronous realtime playback, GRID interface & smart search. Ethernet: RJ45 10/100M/1000M; support 4 SATA HDD up to 24TB, one 3TB HDD included. Multiple network monitoring: Web browsers, CMS, Smart Phones, tablets.