This is the acrylic clear enclosure for your pcDuino3 Nano. The Arduino shield can still be installed on the pcDuino3 Nano when the enclosure is installed.

This is a custom made SATA cable with power connector for pcDuino3B and pcDuino3 Nano. The length is 11". The onboard power connector of pcDuino3B is 5V, and can only support SSD or 2.5" inch mobile hard disk drive.     

This USB sound card with audio input/output has been tested on pcDuino. For tutorial on how to use on pcDuino, please refer to http://www.pcduino.com/?p=735.   pcDuino3 has a audio jacket, so this is not needed...

This is a 5 foot long HDMI to DVI cable. It supports 1080P. It supports pcDuino.    Download:     Product Wiki

This is the WiFi dongle for pcDuino.   Download:     Specification of WiFi dongle for pcDuino Using pcDuino’s WiFi Dongle With the Pi