USB 3.0 port with a blue receptacle, USB 2.0 port with a black receptacle.Īttributed to Bubba73 at English Wikipedia, via Wikimedia Commons Note this is not a requirement of the official USB specification, rather a convention adopted by some PC makers.įigure 1 shows a typical USB 2.0 port on the right hand side with a black receptacle, and a typical USB 3.0 port on the left side, with a blue receptacle.įigure 1. So, if the PC has a blue port, that is a good indication of USB 3.0 support. The receptacles on USB 3.0 ports are usually blue to distinguish from the receptacles on USB 2.0 ports, which are black.
Typically, newer PCs with USB 3.0 support have both USB 3.0 and USB 2.0 controllers, and both those ports are exposed. View device information in Device Managerįollow the troubleshooting steps listed below Make sure that you have USB 3.0-capable hardware Each is explained in more detail in the respective sections below:
Here are some ways to determine the operating speed of the USB device. The fact that current PCs ship with both USB 2.0 and USB 3.0 ports presents an interesting challenge: how should you determine whether a USB 3.0 device is indeed operating at SuperSpeed? USB 3.0 controllers are required to work with all existing USB devices. Along with increased bandwidth, USB 3.0 host controllers and devices come with the promise of compatibility. USB 3.0 also supports lower operating speeds: high speed, full speed, and low speed.
Compared to USB 2.0 bandwidth of 480 Mbps, SuperSpeed supports 5.0 Gbps making it 10 times faster than USB 2.0. USB 3.0 introduces a new operating speed called SuperSpeed. How to determine whether a USB 3.0 device is operating at SuperSpeed? Solution home Troubleshooting/FAQ's FAQ How to determine whether a USB 3.0 device is operating at SuperSpeed?
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