3 Things to Know About the ASUS PRIME B450M-A II’s PCIe Slots
All PCIe slots run at Gen 3.0 speeds The board uses PCIe 3.0 across the board, not Gen 4. This is fine for most current GPUs and expansion cards.
You get one x16 slot and two x1 slots The x16 slot handles your graphics card. The two x1 slots are for smaller cards like Wi-Fi adapters or sound cards.
No lane-sharing or complexity There are no tricky lane-sharing configurations to worry about. Every slot works independently with its full bandwidth.