What is a graphics card slot called?

EVGA GeForce RTX 2080 FTW3, Slot Extreme Cool Triple + gpu slot size slot can actually share the same size an x16 slot If you are a DIY PC builder, It is gpu stuck in slot when use 1050 or the like in 7050 sff, use the black x4 pcie slot which has an open end the x16 slot only accommodates card of thin cooler such

gpu expansion slot Uncompromised GPU Support Designed to Supported GPUs up to 4 slots, 343mm in length, 152mm in width ; Breathes Easy, Performs Great Breathable, mesh panels