This is a Power over Ethernet (PoE) mini expansion board for Nano/NX motherboard, supporting the IEEE 802.3af/at network standard. If you already have a PoE router or switch that supports this network standard, with this expansion board, you only need to plug in a network cable to enable the for motherboard to achieve networking and power supply functions. For use with for Nano or for NX Supports PoE Power over Ethernet, supports IEEE 802.3af/at PoE network standard Adopts fully isolated switch mode power supply (SMPS) Adopting a more compact component layout scheme, the overall volume is smaller and the use is more flexible<br><br>Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Black Material:PCB<br><br>Package Contents: 1 * POE Power module<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.