Enjoy blazing transfer speeds up to 12 Mbit per second, over six times faster than old style serial connectors. Just Plug and Play -- your EPSON Stylus ink jet printer will be automatically detected and configured by the iMac. You also get the flexibility of hot-plugging, which allows you to add or remove your printer without having to reboot. The Universal Serial Bus allows you to connect up to 127 peripherals into a single port using longer cables than ever before, allowing for added convenience and flexibility in device placement.