A:AnswerYou can use a universal Thunderbolt 3.0 dock like this one with the Yoga C940-15: https://www.bestbuy.com/site/lenovo-thinkpad-thunderbolt-3-docking-station/6355854.p?skuId=6355854
A:AnswerYes. The Lenovo Yoga C940-15 model number 81TE000DUS, ships with an HDR, IPS LCD w/LED Backlight screen, with a resolution of 3840 x 2160 (UHD) and a brightness level of 500 nits. There is no anti-glare coating on the screen.
A:AnswerThis model is not user upgradable. A certified technician must do all of the work, so as to not void the warranty. We recommend you consult your certified technician about your storage upgrade options.