Thanks to their affordable price tags, low energy consumption, and compact size, Single Board Computers are great for projects where you don’t need the latest and greatest pixel-pushing hardware. Building a NAS is one such project, and with enough external drives, you can have a reliable file-sharing and backup server running on top of your tiny SBC. So, here’s a guide to help you put together a budget-friendly NAS server using an SBC, some USB drives, and the lightweight OpenMediaVault package.