If you are interested, you can learn to design boards like these. Our hardware design videos have over 1.5 million views on youtube. Our courses will help you.
Check out our Advanced Hardware Design course. Based on this course, Martin (designer of the iMX6 Rex module & Baseboard) developed iMX6 Rex project with no previous experience in advanced hardware design. Both, module & baseboard, are running and are sold as the very first version of the board. To know more about this course, click here >>
During iMX6 Rex Layout we made a lot of notes and we put all of the knowledge/questions/tips into Advanced PCB Layout course. You will learn how to do Advanced PCB Layout (DDR3, PCIE, SATA, Ethernet, etc.).
Watch this video to learn more about our Advanced PCB Layout Course