The MacBook Pro lacks outlets Fire Wire and USB 3, this type of Hub is essential to this. Unfortunately, the performance is not at the rendezvous. Many disks FireWire or USB function very poorly. Especially Freecom "Mobile", the LaCie "Rugged" and LaCie '2big "in Raid 1. Same iPhone memory card reader Lexar CF / SD' This is a beautiful object to too limited performance.