Hello! I'm new to this forum, but I hope you guys can help me. )) Now, to the main topic: I'm sitting on a very old pc - 4 years build. Power Supply: http://www.benchmark.pl/artykuly/testy/10_zasilaczy/GPS_500_ABA/gps-tabliczka.jpg GeForce 9600gt Gigabyte ga-ma770t-ud3p Phenom ii x2 545 Somewhat new Kingston 2x4gb ddr3 1333mhz cl9 Somewhat new western digital green 2tb HDD IRRELEVANT dvd and cd roms Case is something I can't recognize, all the older parts were bought by my father so I got no idea what type of case is it but it has no dust filters and no fans etc., yet it is metal. I decided to upgrade my gaming pc and need the best bang for the buck with future upgradability on the CPU side of things. So I thought I may reuse some components because I'm on a tight budget right now, under 1000$ and it doesnt help I'm from Poland where electronics are relatively expensive. So I want to get a 780 alongside phenom ii x6 1045t (the only model available in Poland), which should both fit on my motherboard GA-MA770T-UD3P or something. I will not change my no-airflow case right now and will not change the mobo or the whole platform until I get my hands on another couple hundred bucks. Now, I'm currently sitting with 9600gt and phenom ii x2 545. My main concern is, will my roughly 4-years-old power supply suffice? I'm not aiming to overclock out of the box, definitely not with current fanless case and PSU. Still will my power supply run these, or will it not? If it won't, can I do some underclock to get it to work? Thanks for help in advance and don't hesitate to ask me for details. I'm aiming to stick with this upgraded parts for a while (3 years at least) like with my last build and only upgrade the non-vital parts of the PC like hdd/ram if anything etc. I will stick with Phenom II x6 1045t until i find money for upgrading CPU/mobo to intell haswell (refresh perhaps?) or even broadwell if this CPU suffices. I'm all for upgrading the PSU but i just dont have the funds right now and need the best bang for the buck during summer holidays right now when i have time to enjoy my enormous Steam library.