So i have a two dell towers one with a i5 2300 and an i5 4570. I want to use the 4570 system but it has a proprietary psu/motherboard. I have an rx 550 i want to use. The 2300 system has a new psu, the motherboard with a standard 24 pin connector. The 4570 has a 4 pin cpu power and a 6 pin...