OCA has put up a review on the Xoxide Dual Voltage 6 Port Baybus
The only performance improvement you will gain in having installed a Baybus is the ability to change the voltage output on your fans. Normally the Baybus operates in full 12V output, and with this version you have the ability to turn the fan off completely, or operate it at 7V. When you operate the fans at 7V the noise is GREATLY reduced. So when your not running your rig at full tilt, you can give your ears a break and run the fans at 7V.Read more