PCIe X16 vs X8 with 4 x Titan V GPUs for Machine Learning
If your new graphics card is running at 8x speeds, here are some troubleshooting tips | Technology News,The Indian Express
7970 Working as PCI-E 3.0 x16 @ x8 1.1 ?
GPU running at x8 PCI-e instead of x16. GPU is seated in the 1st slot, tried seating in 2nd slot, then its running at 4x. Tried reinstalling drivers, tried adjusting some settings