You should choose a motherboard that's firstly compatible with your processor. After that you should evaluate whether you
After that the prefix - H, Z, B, Q etc, identifies the target market and some broad outline of capability.
Here is a good article outlining the basic differences - it's still valid enen though the chipsets have moved from the 170- range to the 370 range.
https://www.pugetsystems.com/labs/articles/Z170-H170-H110-B170-Q150-Q170---What-is-the-Difference-635/