My son is fitting a new GPU to his PC for gaming pruposes. He currently has a 500 watt psu.
AMD Phenom II X4 955 3.2GHz Quad-Core. Mobo says HT3.0 AM3. SSD, no HDD, 8gb RAM
Planning to fit an AMD RX550. The blurb says it takes 400 watts, so would he need a 650, 750, 850 watt ???
Ta.