Bumping this thread since I'm not sure about these (all gold and modular) PSUs (case will be fractal core 500):
600W THERMALTAKE Toughpower SFX - 100$
Corsair SF450 - 112$
Corsair TX550M - 100$
Corsair TX550 - 100$
Sama Armor 550W (never heard of this brand) - 92$
Ryzen 2700X, GT1030