An M2 slot is a motherboard expansion slot that was designed by Intel and first introduced with the Intel Core i7-7700K. It is also found on the AMD Ryzen 5 2600X and Ryzen 7 2700X.
The M2 slot is a single-width, low-profile slot that is only 22mm deep. This makes it perfect for motherboards that are designed for Mini-ITX or Small Form Factor (SFF) builds.
The M2 slot supports both PCI Express 3.0 and 2.0 x4 graphics cards. It also supports both SATA and USB 3.
1 Gen 2 ports, so it can accommodate both internal storage and external storage devices. Because of its low profile, the M2 slot can also fit a wide variety of other components, including water blocks, CPU coolers, and even a second graphics card.
The conclusion to this article is that the M2 slot is a great option for motherboards that are designed for small form factor or Mini-ITX builds. It support both PCI Express 3.
0 x4 graphics cards as well as both SATA and USB 3.1 Gen 2 ports, making it perfect for installing internal storage as well as external storage devices.