Can and should I overclock with this PSU?

smuldersjari

Prominent
Dec 20, 2017
1
0
510
Im planning on upgrading to a 7700k and a gtx 1070, would a 620w psu suffice for overclocking both cpu and gpu?

Full build:
i7-7700k
ASRock Z270 Fatal1ty gaming k4
16gb ddr4
CM ML240L
gtx 1070
SeaSonic M12II EVO 620w psu

thanks upfront ;)