Here it comes the easiest solution for multi-monitor fans, a USB Video Card from Witech called Multi-I!
This is needed when you feel two monitors are insufficient for your cramped online activities. Witech Multi-I USB Video Card is easy to setup and very beginner-friendly. Witech Multi-I USB Video Card has two D-Sub connectors for hooking up two monitors and there are two more additional USB ports so you can juice up two identical Witech Multi-I USB Video cards, all thanks to the DisplayLink core inside!
The largest supported screen resolution is 1400×1050 and each of the Witech Multi-I USB Video Card require an AC Adapter to power-up and as an additional support for extra load. Witech Multi-I USB video card has available in Korea for 170,000 Korean Won.