Lenovo ThinkPad USA Ultra Dock With 90W 2 Prong AC Adapter (40A20090US， 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"> Lenovo 40A20090US Ultra Dock With USA 90w Ac Adapter Included In The Lenovo Factory Sealed USA Retail Packaging </span></li><li><span class="a-list-item"> Warning As You Will Need To Update the Firmware and Drives On Lenovo's Sight For This Item To Function Correctly </span></li><li><span class="a-list-item"> Does not support models with a Quad Core Processor. Does not support ThinkPad T460p quad-core models with discrete graphics. Please use the ThinkPad Ultra Dock 170W. </span></li><li><span class="a-list-item"> This item does not work on the following models - Any models with quad-cores with discrete graphics (i.e. - T460P)， P50 ， T410， T420， T430， G Series， P70， Yoga， X1 Carbon ( all generations)， any Tablet ， Helix or any Ideapad. </span></li><li><span class="a-list-item"> Compatible with L440， L450， l460， L540， L560， L570， P50S， P51S， T440， T440p， T440s， t450， T450s， t460， t460p， t460s， T540p， T550， T560， T470， T470S， T470P， T570， W550s， X240， X250， X260， X270 . </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BaZGphpcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31n9vXga5NL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31C990NdKBL.jpg" noproxy>