hello guys i have a small problem i hope, at the moment i,m runnig a fx 8320 overclocked to 4.0ghz 16gb memory 1600mhz, aio cooler and 4 140mm fans, and 3 hdd 1 ssd, and msi r9 280x My psu is the XFX 550w pro, system is running without problems, yesterday my son give me a asus r 9 290 dc2 i put it in the pc, and i started firestrike, after 10 seconds the pc shuts off, is the 550w psu strong enough?