New PSU/card power requirement

[tysat]

So my current PSU just died   

I need to get a new one... but I can't find a good listing for card power requirement.  In my main computer I have a Sapphire 5830, Gigabyte 5850, and XFX 6850... also running 2 HDs and an i7 processor (not OCed).

Would an 850w PSU be enough to handle that?

[deslok]

yes it should. TDP on the 5850 is listed at 151w if we assume all cards pull the same you're looking at 450w for video cards 2hdd's shouldnt total more than ten and you're not going to get all the way to 850 just with an i7 at the motherboard at that point