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you probably want to step it up a bit. I used to skimp on power supplys, but you have some good hardware and should back it up with a good PSU. Corsair's are great! I'd go 550 or higher for some decent headroom.
If you don't overclock at all, that TP3 430 will be enough for that system. But if you really want to overlclock, then get a larger but still good quality PSU. Some recommendations:
//BFG Tech LS-550 550W PSU - $68 Corsair 650TX 650W PSU - $100
before my corsairs, i had a neopower 480 which was LOUD with a lesser setup than yours. Even though the system was stable at 3.8, you could tell the PSU was sweating the whole time.
Be safe. Get a PSU that yawns at your full load setting.
I agree with Danny's suggestion. For overclocking, you would definitely want something better. Although the True Power Trio line is manufactured by Seasonic, they are definitely on the lower-end side of things and I wouldn't trust one with handling a system like yours while overclocked.