The usb 30 e port replicator from dell is a space saving port replicator suitable for home and office environment which enables connection to your desk peripherals this docking station includes a latest usb 30 technology enabled by intel in ivy bridge it has replaced the 2 usb 20 connectors with the usb 30 plus the display port 12 adds the ability to daisy chain displays 4 displays via 1 connector also it offers an adaptor complexity reduction this product has been tested and valida