DS-7732NI-K4 Specification
Video/Audio Input
Two-way audio input	1-ch, RCA (2.0 Vp-p, 1kΩ)
IP video input	32-ch
Network
Remote connection	128
Incoming bandwidth	256Mbps
Outgoing bandwidth	160Mbps
Video/Audio Output
HDMI Output	1-ch, resolution: 4K (3840*2160)/60Hz, 4K (3840*2160)/30Hz, 1920*1080P/60Hz, 1600*1200/60Hz, 1280*1024/60Hz, 1280*720/60Hz, 1024*768/60Hz
Recording Resolution	8MP/6MP/5MP/4MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Audio Output	1-ch, RCA (Linear, 1kΩ)
Synchronous Playback	16-ch
VGA Output	1-ch, resolution: 1920*1080P/60Hz, 1280*1024/60Hz, 1280*720/60Hz, 1024*768/60Hz
Decoding
Capability	8-ch@1080P
Live view / Playback	8MP/6MP/5MP/3MP/1080p/UXGA/720p/VGA/4CIF/DCIF/2CIF/CIF/QCIF
Hard Disk
SATA	4 SATA interfaces for 4HDDs
Capacity	Up to 6TB capacity for each HDD
External Interface
Network Interface	2 RJ-45 10/100/1000Mbps self-adaptive Ethernet interfaces
Serial Interface	RS-232; RS-485;
USB Interface	Front panel: 2 × USB 2.0 Rear panel: 1 × USB 3.0
Alarm In	16-ch
Alarm Out	4-ch
General
Power Supply	100 to 240 VAC
Consumption (without hard disk and POE)	≤20 W
Working Temperature	-10 oC ~ +55 oC (+14 oF~ + 131 oF)
Working Humidity	10 % ~ 90 %
Chassis	19-inch rack-mounted 1.5U chassis
Dimensions	445 × 390 × 70 mm (17.5"× 15.3" × 2.8")