you didn't list the cpu or the type/model of the ssd
ROG Strix B450-F Gaming II ATX motherboard features a robust power delivery, optimal cooling controls, AI Noise-Canceling Microphone, AI Networking and cyberpunk-inspired aesthetics.
rog.asus.com
3rd/2nd/1st Gen AMD Ryzen™ Processors :
1 x M.2_1 socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)*
1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)*
2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors :
1 x M.2_2 socket 3, with M Key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 X2 mode)