The efficacy is the %of the watts drawn from the wall that it uses. So psu that draws 100ws from he wall uses 80 of them. The 700w is the max watt it can output, not the max it can input. If you did manage to use all 700w, on 80% efficacy, it would be outputting 700w and drawing 840w.
yes, the game x stream cam handle it fairly easily.
Really? That is good to know. I am glad I invested in a 700 Watter when I first built my PC. My current components are not worthy of a 700 Watt Power supply but I bought it with long term upgrades in mind.
It is crossfire certified by ATI. It does not have that offical X-fire certified logo but if you go to the AMD site it has the OCZ Game Stream 600W, 700W, & 850W listed as Crossfire cerified components for 1950 series.
I am tempted to get a HD3850 Video card. Rumor has it the price is going to drop from $179 to a good amount lower. I am guessing around the $159 range. That should happen in the next week or two per what I remember reading on fudzilla a few days ago.
As of right now a 2nd Sapphire 1950GT would be a cheap upgrade.
I only have a 1280 x 1024 19" square NEC LCD monitor. So I don't really need a monster of card to achieve good frame rates.
If I had a 22" inch panoramic screen monitor or bigger then it would be a different story.
I might be wrong here so correct me if am...but from my understanding of it the 8800 gt needs 200-250W to operate. So two of them would need 400-500W. The rails on the OCZ SXS 600 and the OCZ GXS 700 both have 4 four +12V rails running 18A each. You're not going to get 864W (12V * 18A * 4). More like 400W. So if you run your Q6600 on one rail (100W if youre not OCed), one 8800GT on another (200W best case), and the other 8800 GT on a different (another 200W best case) then youre looking at 500W with just your mobo and SLI cards. So the PSU would not be sufficient or if it is you would be cutting it pretty close ???