psu dimensions

I am looking to do an SFC 4 Skyreach mini build without an external power brick. I plan to transfer all the guts of my existing mini ITX build (LIAN LI PC-TU200B [https://www.newegg.com/Product/Product.aspx?Item=N82E16811112348]) to the Mini, but I need a new PSU first. Ideally I would use the...

For example, the sfx PSUs from silverstone and those from Corsairs, do they have the exact same dimensions like not only the length, width, and height but also mounting holes placements and etc? Thanks in advance