Express Card Expresscard 54mm to USB 3.0x2 Port Adapter; Support Express card 54 slot Support USB 1.1 / 2.0 / 3.0; Support USB 3.0 Specifications, fer rate up to 5Gbps 2 X USB 3.0 specifications ports; Notebook Express Card54 USB3.0 Expansion Card Extend 2 USB3.0 ports on PC with ExpressCard54mm slot;Compliant with USB3.0 interface specification interface type: express<br><br>Colour:Photo Color Material:metal+plastic<br><br>Package Contents: 1 x Riser Card 1 x USB cable 1 x CD driver<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.