List of Motherboards with 3 PCI-Express x16 Slots

You can install PCI Express slots in larger slots but not smaller ones For example, you can install a PCI Express x1 adapter into an x16 slot (but will still

slots with heatsinks,PCIe x16 SafeSlot with Q-Release,WiFi 7,USB 20Gbps rear IO port and front-panel 22800 ROG STRIX Z790-F GAMING WIFI II

x16pciexp slot A PCIe x16 slot provides powerful graphics card support if the The motherboard offers three slots, one of which is a PCIe x4 slot

slot board PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth available