satish satz said:
Some say that is dangerous to run PSU above 90% load? And what's about the rail ampere? This PSU says it can produce up to 34amps on single 12v rail! Is this enough for the gpu?
Well most of the time your PSU won't be even at 50% of its maximum power output. Even the worst case scenario will be around 65-70% so don't worry at all. 34amps should be enough even for Titan
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satish satz said:
What is TDP? for this 7770 I usually see 90w on many sites, but what confused me is that there are graphs showing power charts with curves crossing 200s , is that tdp?
TDP is usually the thermal design power. It is used at CPUs mostly to describe what kind of cooling they need.
pe: your CPU has a TDP of 125watt if I remember correctly. an FX9370 has TDP over 200watts thats why AMD suggests water cooling.