I quantify low fps as 30 fps in GTA V, Lowest Settings 720p. CSGO like 100 - 120 fps
MY PSU is CORSAIR CX-M Series CX450 450W (Copy and pasted, but I have that one)
I changed out the GPU from my old GT 730, uninstalled the drivers, installed the GTX 1050 Ti, then installed the drivers.