Which Slot to use?

Which Slot to use? m 2 wifi slot Compares to conventional DIP style PCIe slot, the SMT type PCIe slot - 2 x PCIe x1 Slots * m2 slot pc Buy Sintech NVME SSD to M2 AE Key WiFi Port with 20cm Cable online at low price in India on

m2 slot pc PRIME B550M-A WIFI II features dual , PCIe , MediaTek Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, USB Gen 2 Type A, and Aura Sync

m2 expansion slot Buy Sintech NVME SSD to M2 AE Key WiFi Port with 20cm Cable online at low price in India on  Buy Sintech NVME SSD to M2 AE Key WiFi Port with 20cm Cable online at low price in India on