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
Radeon HD 6350 1GB DDR3 (DVI-I, HDMI, VGA) – VisionTek.com
Nvidia's Single-Slot Low-Profile Pro GPU Has 8GB of Memory | Tom's Hardware
5LH79AA, HP AMD Radeon RX 550X, 4GB GDDR5, 128 bit, PCI Express x16, 1 x HDMI, 1 x DP, DirectX 12.0, OpenGL 4.5, 50W | EET