Quote:
Originally Posted by Codex
Errrr ???? yeah you can. I've only ever had 2 way crossfire / 2 way SLI systems.
4 x 5870 crossfire on stock cooling.
http://www.xtremesystems.org/forums/....php?p=4043081
You can even now crossfire your stand alone cards with your on-board graphics chip (Hybrid CrossFire) if you've got one.
Cooling ... it depends what your doing. The stock coolers are fine even under load, just make sure your case is well ventilated. But you'd be crazy not to get a well ventilated case if your using multi GPU's, doesn't matter if your using SLI or Crossfire, goes without saying.
If you decide to overclock then that's another story. Spending $$$ on cooling depends on how much you can afford and how far you want to push the hardware.
I'm probably coming across as a AMD fan boy but I can assure you I'm not. I only go for what will gives me the best bang for my dollar.
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Not answering the question/comment. I am specifically talking about the 6990 - since its already 2 cards, interms of space, slots and heating is it able to go 3 way crossfire? I doube it thats 6 gpu die. If you bought a more expensive single card thats the better long term option.
As for value - yes ATI/AMD has been leading the pack until the 500's, but the 6990 I dont find special.
edit- apparently you can run two 6990s, which is four cards. But while each 6990 is better than a single card they are of course not a single card which limits future expansion:
http://www.tomshardware.com/reviews/...e,2878-16.html