04X5164 Lenovo Planar i5-4300U Y-AMT Y-TPM Dock for ThinkPad X240 (Refurbished)
Used Grade A Lenovo ThinkPad X240 12.5" Laptop, Intel Core I3-4010U 1.7Ghz, 8G DDR3L, 512G SSD, USB 3.0, VGA, miniDP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty - Walmart.com
Docking Station Lenovo 40A0 THINKPAD Basic Dock T550 T560 T570 W550S X240 X250 | eBay
Refurbished: Lenovo ThinkPad Pro Dock Type 40A1 T440 T450 T460 T470 T550 T560 T570 X240 X250 Docking Stations - Newegg.com