Lenovo Onelink Plus dock (40a40090us) For Select ThinkPad Models Only Lenovo 40a40090us In The Factory Sealed USA Retail Packaging Includes The 90w AC Adapter With 2 Prong 110v Power Cord. This Item Is Only Compatible With The Following Lenovo Models ; V310-15ISK , ThinkPad 13 (1st Gen) Windows , ThinkPad 13 (2nd Gen) Windows, P40 Yoga, X1 Tablet (1st Gen- Productivity Module (4X50L08495) Required ) , X1 Tablet (2nd Gen - Productivity Module (4X50L08495) Required ), ThinkPad Yoga 14 , ThinkPad Yoga 260, ThinkPad Yoga 460, X1 Carbon (4th Gen) Only, X1 Yoga (1st Gen) Only. Specs and Features 1Connectivity - ( NO HDMI PORT ) 4 x USB 3.0, 1 provide always on mobile device charging , 2x USB 2.0,1x OneLink+ upstream connector, 2 x DP , 1x V GA, 1x Gigabit Ethernet, 1x Stereo/Mic Combo Port , 1 x Security lock hole , 1x DC in. 3 monitors can be Hooked Up. OneLink Plus dock Is Capable To Support up to 4k2k(3840x2160) resolution. Warning - The X1 Tablet 1st and 2nd Generation Requires a purchase of the Lenovo Productivity Module (4X50L08495). This item is Not Compatible with the X1 Carbon 1st gen, 2nd gen, 3rd gen or 5th Generation Models Or The X1 Yoga 2nd Gen, 3rd Gen , 4th Gen, 5th Gen Or Any T Series, X Series, Edge Series , G Series Or Any IdeaPads.