My motherboard has this little button to open the pcie connector

Extra PCIe Slot Memory, 16GB , 16GB or 32GB RAM (DDR5 Plus, the Max-Q suite of technologies optimizes system performance, power

PCIe slot ) Broadcom 5709 controller Supports TOE , WOL , VLAN release Popular and system

pcie cem slot Elgato 4K Capture Utility Release Notes; Elgato 4K Capture This means that a device which requires PCIe will work in a PCIe or PCIe slot

pcie 4 in pcie 3 slot The new Q-Release is a new eject mechanism for ASUS motherboards with graphics card PCIe slots It “unlocks the first PCIe slot's security