Is there a USB 3 port in my T420

website usb 3 slot Check which port is USB Usually, USB ports are tagged as SS If your system manufacturer has not tagged it as SS or USB usb 30 slot I have 3 USB ports 1 is a and the others are I've tried plugging my mouse which is into both of my ports but they never work

usb 3 slot Type-C to 4 Port Hub by Bafo Easily connect multiple devices like mouse keyboard and other accessories along with USB C Adapter   USB was launched back in 2008 This new edition has more functions and better features  The EW1141 3-Port USB Gen1 Hub type C with Gigabit network port offers the solution The EW1141 updates your laptopUltrabook with three USB

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