This is a Power over Ethernet (PoE) mini expansion board for Nano/NX motherboard, supporting 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 connect a network cable to enable the motherboard to achieve networking and power supply functionsWorks with Nano or NXSupports PoE power supply over Ethernet and supports IEEE 802.3af/at PoE network standardAdopt fully isolated switch mode power supply (SMPS)Adopting a more compact component layout scheme, the overall volume is smaller and the use is more flexiblePoE power input: 37V~57V DC inputPower output: 12V2.1A DC outputNetwork standards: Support IEEE 802.3af/at PoENote: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item.Colour:BlackMaterial:PCBSize:21 x 92mmPackage Contents:1x POE Expansion Board Body1x 40Pin Inline Pin1x Small Socket2x SelfTapping Hexagonal StudsOnly 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 +/ 13cm.