b550m aorus elite m.2 slots - What Is the M.2 Expansion Slot, and How Can I Use It? tt888 slot

In order to connect to your PC, a conventional SSD often needs an M.2 slot. M.2 slots are more uncommon than SATA slots, the conventional hard drive slots, raising the question of how many M.2 slots are actually present on motherboards.

It seems like ultra m.2 is ASrock's invention, but they claim m.2 is using PCIe x2? Is it better to have m.2 or ultra m.2? Also are there boards with 2 m.2 slots?

AMD B450 AORUS Motherboard with Hybrid Digital PWM, Dual M.2 with One Thermal Guard, GIGABYTE Gaming LAN with Bandwidth Management, CEC 2019 ready

Mainboard GIGABYTE B365 M AORUS ELITE. Tặng tiền lên đến 60tr khi build pc-Ưu đãi đặc biệt cho sinh viên và doanh nghiệp-Hiend computer No 1-Bảo hành chính hãng. Socket: LGA1151 hỗ trợ CPU intel thế hệ 8, 9 Kích thước: Micro ATX Form Factor; 24.4cm x 24.4cm Khe cắm RAM: 4 khe (Tối đa 64GB) Khe cắm mở rộng: 1 x PCI Express x16 slot, running at x16 (PCIEX16), 1 x PCI Express x16 slot running at x4 (PCIEX4), 1 x PCI Express x1 slot, 1 x M.2 Socket Khe ...