is it safe to use this cool master 600w v3 for 5-6 days on my new computer witch ia about to build very soon ASRock b450m pro4, ryzen 5 3600 ,g.skill ddr4 16 gb and gtx 1660 super ,or per haps to be safe and use my old graphics card amd radeon r7 260 xt oc ,becose i need to wait for my new psu to arive (Corsair TX650M 650W 80+GOLD)