This is How You Use PCIe Slots Under the GPU (HP

Pci Slot - gpu slot types PCIE SLOTS AND CARDS A PCIe or PCI express slot is the point of connection between your PC's “peripheral components” and the motherboard The gpu with nvme slot A discrete GPU is a distinct chip that is mounted on its own circuit board and is typically attached to a PCI Express slot Integrated Graphics Processing Unit

gpu with m2 slot A slot that uses a 66 MHz PCI clock, always will use Volt signalling In fact there is no way to see from the connector if a slot is using a 33 MHz clock or