I am having a circle 400 W psu to which 1x8gb ddr4 Ram ryzen 5 2400G 2 sata harddrive are connected I am planning to buy Rx 570 gpu which has 8 pin power connector. as my psu dosent have 8 pin to power graphics but my 2 sata pin connectors are not connected so can I. Use 2 sata to 8 pin connector to power Rx 570 gpu ?