^ Spot on.
Also be aware that big Tri-X cooler needs a well ventilated case to do its job well; Dual front fans for intake and dual top/rear fans for exhaust are really a must have here, as is a fairly roomy case!
Side notes: That card is quite a power hog, be very sure the PSU is up to the job of feeding it.
You're making a HUGE jump in GPU, is the rest of the system able to keep up?
And from the Department of the Obvious: Does it fit? Not all cases will accept such a massive card.