With its emergence as the new standard for high-speed portable devices, USB 3.0 performance on a modern system needs to be good to ensure that data transferral bottlenecks aren't created.
We tested USB 3.0 performance using a SanDisk Extreme II SSD connected to a SATA 6Gb/s to USB 3.0 adapter powered by an ASMedia ASM1053 controller. ATTO was the benchmark which was used.
Gigabyte's BRIX manages to push our test SSD to over 350MB/s throughput via USB 3.0. While this sort of speed is likely to be more than enough for a large proportion of the BRIX system's users, a motherboard partnered with software-implemented activation of the UASP protocol allows for around 20% faster throughput speeds.