Power your ROCK single-board computer via the PoE pins with this tailor-made PoE HAT from OKdo. Designed specifically for use with the ROCK 3A, 3C, 4C+, 5A, and 5B boards this HAT provides both power and network connectivity to your board via the PoE pins using a single ethernet cable. It also benefits from a cooling fan designed to keep your processor cool and ROCKing even under demanding conditions. Key features of the 25W PoE HAT for ROCK IEEE 802.3af/at standard compliant Wide input voltage range: 37V to 57V Output voltage/current: 5V / 4.8A, 12V / 2.1A Programmable temperature sensor Equipped with a fan providing 1.45CFM for processor cooling Operation temperature: 0°C to +50°C Compatible with the following ROCK single board computers: ROCK 3 Model A ROCK 3 Model C ROCK 4 Model C+ ROCK 5 Model A ROCK 5 Model B