Sonnet"s Tempo SATA Express 34 ushers in a new level of higher disk performance capability for the mobile professional. Whether you capture and edit video content in the field, the studio, or home,Tempo SATA Express 34 sets the bar high for mobile storage products.The Tempo SATA Express 34 controller has two external, 3Gb/s, SATA II ports, and plugs directly into a MacBook Pro (15" or 17") or Windows notebooks with an ExpressCard (54) or ExpressCard 34 slot.