The TX3 is rated for 130w and your cpu is only 84w tdp so it will cool the cpu fine. Ram clearance shouldn't be a problem, especially if you have low profile memory. Your H81 motherboard is LGA 1150 which is compatible with the cpu cooler.
Max cpu cooler height for the Deepcool is 169mm and the cooler is only 136mm so it will fit in the case.