Comparison Dahua NVR2116-I2 vs Dahua NVR2116HS-I2

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	Dahua NVR2116-I2	Dahua NVR2116HS-I2
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all specs only differences
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Main	1 channel perimeter protection. 4 channels SMD Plus. Face recognition function by comparing it with 10 available faces in the database.	1 channel perimeter protection. Face recognition function by comparing it with 10 available faces in the database.
Type	digital NVR	digital NVR
Camera connection	16 channels	16 channels
Features
Features	motion response face recognition /1 channel/ mobile app	motion response face recognition /1 channel/ mobile app
Connectors
RCA audio input	1	1
RCA audio output	1	1
USB 2.0	2	2
HDMI	1	1
Max. HDMI resolution	3840x2160 (4K)	3840x2160 (4K)
VGA	1	1
LAN	1	1
LAN speed	100 Mbps	100 Mbps
Video recording
Bandwidth	144/72 Mbps /with AI enabled 72/36 Mbit/s/	144/72 Mbps /with AI enabled 72/36 Mbit/s/
Resolution (all channels)	1920x1080 px	1920x1080 px
Frame rate	30 fps	30 fps
Video compression format	H.265+, H.265, H.264+, H.264, MJPEG	H.265+, H.265, H.264+, H.264, MJPEG
Max. resolution (IP)		12 MP (~4000x3000 pixels) /12 MP/
Drives
Number of SATA	1	1
Max. total capacity	10 TB	10 TB
General
Power supply	12В	12В
Power consumption	10 W	10 W
Operating temperature	-10 °C ~ +55 °С	-10 °C ~ +55 °С
Maximum humidity	93 %	93 %
ONVIF
CMS
Dimensions	205x206x48 mm	260x233x48 mm
Weight	0.45 kg	0.81 kg
Added to E-Catalog	february 2023	february 2023

Max. resolution (IP)

The maximum supported resolution of IP cameras with which the NVR is technically capable of working (primarily recording). With rare exceptions, devices record in maximum resolution from all connected IP cameras. However, the limiting factor here is bandwidth (see the relevant paragraph) – depending on the shooting conditions, it may not be enough.

High resolution allows you to get a more detailed image in which fine details are better visible. On the other hand, such videos take up large amounts of disk space, and their support significantly affects the cost of the device.