Connect a USB (Universal Serial Bus)-based Express Card to a computer through a USB (Universal Serial Bus) port. The ECU2USB USB (Universal Serial Bus) to Express Card Adapter lets you add a 34mm Express Card slot to any USB (Universal Serial Bus)-capable computer, providing you with a perfect solution for installing Aircards (wireless broadband Express Cards) or other USB (Universal Serial Bus) based Express Cards into a PC or Mac. With support for data transfer rates up to 480 Mbps, this adapter is a perfect solution for getting the most value from your Express Cards. The Express Card adapter can be swapped back & forth between a laptop, desktop, or Mac computer, & lets you use your Express Cards in most systems without having to restart the computer. Offering plug-&-play & hot-swap support with no drivers required, this adapter is ideal in environments where an Express Card slot is unavailable, allowing USB (Universal Serial Bus)-based Express Cards to be connected to your computer through an available USB (Universal Serial Bus) port.