I am planning to build a desktop PC for "Stock Trading" using Intel I5 10400 with Gigabyte B460M Aorus Pro mother board and 16 Gb RAM.
Only trading, no gaming or video editing
I want to run simultaneously 3 monitors of 27 inch (1920 x 1080 resolution) connected to mother board, using only intel UHD 630 built in graphic graphic card ( no external GPU)
I will EXTEND all 3 monitors ( all monitors show different display)
Will this configuration run smoothly with no lag?
Can I move windows from one monitor to other without any lag?
Will the clarity of all 3 monitors be good?
I am afraid you will need to test before you deliver.
You need to understand the amount of data and interval before trying to deliver something like this. And, you need to understand what your motherboard has as video outputs, and your monitor's screen resolution as well. My guess at all of this is that you will not succeed.
Sorry, just an opinion.
Doc (not an Intel employee or contractor)
You should be able to use three 1080p monitors without issue. The specs for your motherboard list DVI, DisplayPort (DP) and HDMI ports. All three of these ports can easily handle a 1080p monitor. If you want to use all HDMI monitors, you can use a DP-to-2x-HDMI MST Hub Adapter on the DP port. Here is an example of such an adapter: https://www.amazon.com/dp/B083NFH5HX.
Hope this helps,