So you would like to use Raspberry Pi for more advanced projects, such as building personal cloud clusters? This 8-slot cluster Cloudlet is worth a look. It can hold 8 single-board computers or 2.5″ hard drives. You can bolt multiple units together vertically or horizontally for modular clusters.
More gadgets like this: here
Four 50x50mm are included for better airflow. Like what you see? You can order yours for under $50 on Etsy.
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