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May 3, 2013
How do I know which USB 3.0 is used in rear panel?
Those USB ports above HDMI connector are using Intel chip. The USB ports next to LAN connector are using Etron chip. You may refer to the attached photo for further reference.
![](https://faq.gigabyte.com/FileUpload/FAQ/1/2590/photo/Z77-D3H.jpg)
![](https://faq.gigabyte.com/FileUpload/FAQ/1/2590/photo/Z77-D3H.jpg)