Past the new Fusion Drive, upgraded RAM, and speed, French publication Macg.co found the 2012 Mac Mini introduced in September also boasts upgraded Wi-Fi antennas. The upgraded antennas brings the desktop to a maximum Wi-Fi speed of 450 Mb/s, now up-to-par with the 2011 MacBook Pro and iMac.Of course to reach 450 Mbits/s you need a router to support it, and luckily, both Apples latest Time Capsule and Airport Extreme. Theres also other factors such as room configuration, interference and so forth. As to why Apple isnt advertising the speeds is unknown.