2 Types of SSDs: SATA and NVMe

Can I plug an M2 to a PCIe Gen3X4 slot? m 2 slot with pcie x4 lanes PCIe slots on a motherboard come in different sizes, referred to as “lanes” Common slot configurations include x1, x4 m24 slot wallet SSD vs PCIe SSD And if you think that's a large difference, PCIe Gen 2 x4

m2 sata slot The top slot that has the heat-sink on it does use PCIe lanes If you use it your x16 PCIe slot will only use x8 speeds