Will my DG31PR motherboard support GTX 550ti? The processor is core 2 duo 2.66GHz.
closed as too localized by Ƭᴇcʜιᴇ007, Indrek, Xavierjazz, Canadian Luke, slhck♦ Aug 25 '12 at 19:10
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Don't listen to "some people" as they obviously have no idea what they're talking about. ;)
Your CPU has little to no bearing on video card compatibility. Mainly it's connector type, then power requirements, then driver availability.
So if your motherboard has an available PCIe 2.0 16x slot (which your's does), your power supply can provide the additional power required by the card (for that card, about 116W above what the rest of the system is using), and there is a driver for that card for your OS, then you should be fine.