The fine folks at both HotHardware and PC Perspective have run the new ASUS P7P55D-E Premium motherboard through its paces, which has the particular distinction of handling both USB 3.0 and the up-and-coming SATA 6G through controllers by NEC and Marvell, respectively.
Continued here:
USB 3.0 and SATA 6G put to good use: benchmarks