How do I know if my PC has USB ports?

Does my computer have a certified USB port? usb 3 0 slot USB ports on Dell systems are usually identified by the Blue plastic insert in each port USB and USB ports on a computer usb 30 slot USB ; Black-i USB 7 port hub USB 7 port hub with power · Black-i USB 7 Port Hub · From Rs 2, · Rs 4, ; Black-i USB 4-Port Hub

usb slot extender To upgrade a desktop computer to USB , you must have an available PCI Express slot that's x1 or wider PCIe x1 cards are available