This is metal case with super mute cooling fan kit , it is very easy to install and a perfect choice for X820 SSD/HDD storage board user.
Support super mute cooling fan;
Note: Please remove the Jumber cap when you use the power swtich to control the power of raspberry pi and X820 storage board.
For the installation guide, please refer to Download Link;
For X820 SSD storage expasion board please refer to SKU: 470235;