The E-Port Plus Port Replicator with USB 3.0 from Dell™ offers dual digital monitor capabilities along with legacy ports. This docking station includes a latest USB 3.0 technology enabled by Intel in Ivy Bridge. It has replaced the 2 USB 2.0 connectors with the USB 3.0. Plus, the Display Port 1.2 adds the ability to daisy chain displays (4 displays via 1 connector). Also it offers an adaptor complexity reduction. It has non-compromise station designed for enhanced usability at desk. The E-Port Plus Port Replicator has 240-Watt Power Adapter Cord. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system. Compatibility: Dell Precision Notebooks: M4400 M4500 M4600 M4700 M4800 M6400 M6500 M6600 M6700 331-7947