This is identical to the standard SD card that we sell, but is pre-loaded with the PYNQ-Z1 boot image. 

If you have a microSD Card, you can flash your own Boot Image by downloading the PYNQ Boot Image file, which is available on the PYNQ-Z1 Resource Center. 

Features:

• Pre-loaded PYNQ-Z1 boot image
• Standard SD Card Adapter
• Clear plastic carrying case