Originally Posted by blue-sky
there is a bug in nvidia driver for geforce520
in nvidia xserver settings i see wrong amounts!
GPU 0- GeForce GT520) it shows bus type PCI Express x8 Gen1
the true amount must be Gen2
PCI-E max link speed 2500
the true amount is 5000
No this is not a bug. Power management cuts down the link speed. Even then that is more then enough bandwidth for h264. You can play 1080P streams fine on even lowly PCI card which has nowhere near the bandwidth.