Vantec 2-Port SuperSpeed USB 3.0 ExpressCard 34 Add the latest SuperSpeed USB 3.0 to your notebook! Blazing Fast Transfer Speeds of up to 5Gbps Two USB 3.0 Ports to Support Multiple Devices Supports Hot-Swap: Plug & Play Devices Without Rebooting Includes a 34mm to 54mm Converter for a Solid Fit Into a ExpressCard/54 Slot