Most of the old fashion monitors come with 60hz refresh rates.
Obviously, the higher the refresh rate, the better the picture quality you will get. You can read more about the refresh rate here.
This means A 144hz refresh rate monitor blinks 144 times per second. | Features Powered by GeForce® GTX 1660 SUPER™ NVIDIA Turing™ architecture and GeForce Experience™ Integrated with 6GB GDDR6 192-bit memory interface WINDFORCE 3X Cooling System with alternate spinning fans RGB Fusion 2.0 - synchronize with other AORUS devices Protection Back Plate Core Clock 1860 MHz (Reference Card: 1785 MHz)| ASUS ROG Strix G17 G713QM Laptop 43.9 cm (17.3 Inches, FHD, 1920 x 1080, 144 Hz) Gaming Notebook (AMD R7-5800H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX3060, Win10H) Eclipse Gray Add to Basket Customer Rating | It seems to let me select 144 when I'm only using Surround to configure two monitors, but not when I wanna do 1x3 or 3x1. However, when I go to configure Nvidia Surround at 1x3 (for racing sim stuff) It doesn't give me an fps option above 60hz.