Are you looking for the most feature-rich P55-based motherboard possible? With its P55A-UD7, Gigabyte looks like its up to the challenge. In addition to the usual slew of features we've come to expect, the UD7 includes a built-in waterblock, a Silent-Pipe add-on, 24 power phases, SATA and USB 3.0, four PCI-E 16x slots, and more.