Originally posted by: cr0ssfire
In my opinion, SLI as it currently stands is nothing but a marketing gimmick to get people to buy more than they actually need. There's an awful lot of hype about SLI, and an awful lot of people buy into it. Many get the impression that all the -> X-TREME GAMERZ!!1!! <- are doing it and getting massive increases, so they buy into the same idea in hopes of attaining teh ub3r machine.
There's more than one problem with that conjecture.
The first is that there's honestly no need to invest in multiple video cards when one is more than capable of running the latest games at crazy resolutions with insane effects. I don't know why so many people have the idea that SLI is absolutely, totally required to enjoy playing any given game at high resolutions; I dare you to name one game that wouldn't perform well with a single 7800 GT or GTX. You can't give me a name, obviously, because there's really no game out there that either of those cards are incapable of handling. When you can hit 1600+ resolution with a card like that and still have great performance, then congratulations - you've got yourself a working piece of hardware that can play everything you could possibly throw at it.
To invest in SLI to attempt to buy one card now and one card later is equally absurd. If you're in that situation in the first place, it means that your wallet isn't quite as large as you'd like it and you need to make smart decisions about investing your money so that you can make the best use out of the money that you've got available. SLI, if you haven't noticed, is definitely not a good 'value' in any sense of the imagination. Paying for another expensive video card after you've already bought one and then crippling both of them by making them run at half speed is not a smart decision. If you invest in two expensive pieces of hardware, then you had better darn well be able to get your money's worth out of them instead of bottlenecking them at half each. What are you getting for your investment? You're getting more noise, more heat, and nowhere near the performance that you actually paid for.
SLI right now simply isn't necessary in any way, shape, or form for great performance in games today. People have somehow managed to play games with a single video card just fine for years now, and that isn't changing regardless of what the marketing hype says. What possible reason could anyone have for doubling the heat and noise in your system, and throwing your money down the toilet by crippling your expensive pieces of hardware? For a minor performance increase? For an ego boost because you have the LATEST THING (even if it's a terrible option)? It isn't worth it, and I'm definitely going to sit the "dual video card" revolution out with only one card.
But then again, that's just one man's opinion. 🙂