For MiSTer IO Board: The for MiSTer IO Board is an optional expansion that plugs on top of the for Terasic DE10-Nano SoC. It adds the following features to the for MiSTer Platform: VGA Connector. Additional to integrate the for MiSTer into cases. Check Analog video output compatibility 3.5mm Audio with TOSLink 3 Buttons 3 Status Secondary SD card (for some cores) FAN for cooling the FPGA Expansion connector (in the form of USB 3.0 connector, it's not USB ) The appearance and color of products from different batches , which does not affect their use Material: PCB colour: blue Package Contents: 1 x IO Analog Board 1 x Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.