At least 4 ea UVC grabber capture card work on Windows PC at the same time
All of them are plug and play (No software driver )
The PC is not Powerful.
CPU is just Intel Pentium® cpu U5400 @1.2Ghz
I had also test ASUS Eee PC
At least 3 ea uvc grabber card can work on Eee PC at the same time.
The video clip show 4 ea UVC grabber card work on PC at the same time.