Nijak.
http://eu.coolermaster.com/de/product/Detail/case/ mid-tower-haf-series/haf-912-plus.html
Strkaj ten stick do USB3 konektora na doske ak nejaky mas, pripadne si kup pol metra predlzovak USB3.0I/O Panel USB 2.0 x 2, e-SATA x1,Audio x 1, Mic x 1