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How to choose security monitor VGA or HDMI

Hard disk recorders are the control and storage units in surveillance systems, and in small surveillance systems we generally use hard disk recorders to connect to monitors for monitoring screen previews. Then when connecting the monitor hard disk recorder ,there are two ways to connect. One is the VGA interface, and one is the HDMI interface. What is the difference between these two interfaces? Today we will talk about this topic.
There are two output interfaces on the hard disk recorder, namely VGA and HDMI.1669002031320.jpg
VGA interface is also called D-Sub interface. VGA uses a 15-pin ladder plug with 3 rows of 5 holes each. It transmits red, green and blue analog signals as well as synchronize signals (horizontal and vertical signals), which means that the video analog signal is transmitted. Most monitors also come with a VGA connector as an interface. However, the maximum output resolution of VGA is 1080P, which is the effect of 2 megapixels.
HDMI is a high-definition multimedia interface. HDMI interface can provide up to 5Gbps data transmission, the transmission is digital signal, not only can transmit high-definition digital video signal, but can transmit high-quality audio signal at the same time. HDMI is the most common type of interface on LCD TVs, on relatively new LCD monitors also have this interface type, can up to 4K output ( 800W pixels) HD video picture.

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The difference between VGA and HDMI interfaces
HDMI and VGA are two important types of video output interfaces, with HDMI outputting up to 4K (8 megapixels) HD resolution and VGA outputting up to 1080p (2 megapixels). If you need to match 2K or 4K display, you need to use HDMI interface; when connected to the TV and need to output audio, choose HDMI interface; NVR external audio system to output audio, output screen image part,HDMI &VGA both ok.
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