Radxa Rock Pi 4 4GB single board computer. 16GB eMMC module. Linux knowledge is required to download and run specific operating system in order to boot. By default only the top USB 3.0 OTG port is enabled at setup. Once OS is installed you need to add script into startup configuration to enable the other three USB ports. Only buy if you know how to setup and operate this unit as there is no return or refund. Post to UK mainland only.
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