How do I know if my computer has USB ports?

How do I know if my computer has USB ports? usb 3 slot Warranty : 1 Year Features : 5 GBPs speed 4 ports USB Type-C Plug & Play usb slot types I have an older Lenovo ThinkCentre with several USB ports, none of which are USB 3 compatible When I checked my device manager I found

usb slot types Wanting to purchase an external hard drive for my notebook to back up my photos How do I determine if I have a USB 2 or 3

usb slot extender 3-Port USB Hub + Gigabit Ethernet · Expand a single USB port to three USB ports and RJ45 LAN port · LAN speeds up to 1000Mbps, USB up to 5Gbps  Type-C to 4 Port Hub by Bafo Easily connect multiple devices like mouse keyboard and other accessories along with USB C Adapter