sorry for my bad english ,what is the best graphic card for dell 755 (mini tower)power 300
gtx 750 ti
small one
like this:
t
or this:
because of the crap cpu cooler in that dell gets in the way
That crap CPU cooler in the picture will cool a Core2Quad at 3.72Ghz.
Get the latest BIOS from Dell. Find out if it's EUFI, or AHCI. Then get a compatible video card. GTX750Ti is good. You might find this link useful also. http://en.community.dell.com/owners-club/alienware/f/3746/t/19537919