msi pro z690-a m.2 slots - MSI PRO Z690-A DDR4 pg slot game 888

mainboard msi pro z690-a ddr4

Model: MSI PRO Z690-A DDR4 ProSeries |Form Factor: ATX |Socket Type: LGA 1700. MSI PRO Z690-A DDR4 ProSeries Motherboard. Plenty of Expansion: Multiple fan headers, SATA ports, and M.2 slots.

It's my first time buying a board with M.2 slots. I'm thinking of buying the MSI PRO B660M-A PLUS WIFI. - A friend told me using the 2 M.2 slots will affect the system performance.