Affordable 4 port keyboard, mouse, monitor switch and well usable with the tips! Today we test on OCinside.de the inexpensive GHT PW-S7403H 4-port KVM switch with HDMI and USB as well as two USB 2.0 connection for shared USB stick or USB printer use. All in all, this USB/HDMI KVM switch can be used to connect up to four PCs to one monitor and switch between them using direct buttons or the keyboard. Whether this works in practice as well as on paper, we show in the following review.