m0n0wall-Small desktop appliance
m0n0wall Small is an out-off-the-box firewall experience, with the m0n0wall open source firewall software in an embedded, fan-less appliance that consumes less than 5Watt, with all the features you might expect from commercial firewall solutions for a fraction of the cost.

Please note: The picture is with labels, but the actual unit may have a laser engraved front panel.