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Gigabyte P55-UD4 Graphics card upgrade - Two or One?

January 4, 2013 8:27:51 PM

Hello everyone,

I own a computer with a Gigabyte P55-UD4 Motherboard and an XFX Radeon HD 5850 graphic card and I intend to upgrade that graphics card to either one or two cards.

Apparently there seem to be problems with the SLI/Crossfire 'function' on some GB-P55 boards, something about the second PCI express bus being slowed down to a much lower speed. On the website below my card is in the list without this problem but I am still unsure.

My question is: Should I buy ONE or TWO new graphic cards when I upgrade my computer?

My other question is which graphics card to buy, I don't want to spend more that 4,500 SEK which equals around 660 USD.

I am grateful for all the help you can give me.