This is the top-of-the-line solution in Asus’ Intel P67 Express based family. Only this one model features the full set of functions: deluxe accessories bundle, enhanced processor voltage regulator, integrated Bluetooth module, eSATA and Power eSATA ports, USB 3.0 on the back panel with an option to be connected to the front panel, IEEE1394 (FireWire) and two Gigabit network controllers.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips