Lenovo ThinkPad OneLink Pro Dock With 90W AC Adapter (4X10E52935) - Retail Packaged<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Factory Sealed Lenovo USA Retail Packaging， Unlike USB docks the One link Pro Dock delivers video with no compression， no drivers and no impact on image quality and notebook performance </span></li><li><span class="a-list-item"> One Link delivers data， driver-free dual video， and power through a single convenient connector </span></li><li><span class="a-list-item"> Front Panel: 2x USB 3.0 (One with Always-On Mobile Device Charging) - Ideal for use with memory keys， hard drives and other quick access devices. Stereo / Mic Combo Audio Port </span></li><li><span class="a-list-item"> Rear Panel: 2x USB 2.0 - Ideal for most USB devices. 2x USB 3.0. Display Port with maximum resolution 2560x1600. DVI-I with maximum 1920x1200 resolution and DVI to VGA adapter included in the box. Gigabit Ethernet (10/1000). Total of 6 USB connections </span></li><li><span class="a-list-item"> compatibility: ThinkPad E455， E450， E550， E550c， E555， E540， E440， E455， E531， E431. ThinkPad S440， S431， S540， S531. ThinkPad Yoga， Yoga 12， Yoga 14 (Type 20DM， 20DN)， Yoga 15. ThinkPad X1 Carbon 2nd Gen (20A7) and 3rd Gen (20BS) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/412i83mfO2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41axKDXQrIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41PIPUZy56L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZrHvVBzsL.jpg" noproxy>