Please note that in the 32-bit editions of Windows operating systems a maximum of about 3.2 GB memory is detected.You can find more information about this on the Microsoft website.
Which M.2 cards can be used?
SATA, PCIe 3.0 x4 1
2242, 2260, 2280
M.2 Combination cards with B and M key can be used
1PCIe 3.0 x4 is supported by the following processors: AMD Ryzen second Generation / AMD Ryzen with Radeon Vega GPU / AMD Ryzen first Generation
For the fastening you need a screw with a metric M2 thread and a length between 2.5 mm and 3.0 mm. The head should have a diameter of 4 mm to a maximum of 5 mm and be flat. If the screws are not available in local shops, you can find them in online shops.
What is the front pin assignment for the mainboard?