PoE vs. PoE+ vs. PoE++ Switch

Detailed specifications for PoE VS PoE+ VS PoE++ is presented below, which can be helpful for you when choosing the PoE switch model and it's depends on different requirements.

IEEE StandardIEEE 802.3afIEEE 802.3atIEEE 802.3bt
PoE TypeType 1Type 2Type 3Type 4
Switch Port Power
Max. Power Per Port15.4W30W60W100W
Port Voltage Range44–57V50-57V50-57V52-57V
Powered Device Power
Max. Power to Device12.95W25.5W51W71W
Voltage Range to Device37-57V42.5-57V42.5-57V41.1-57V
Twisted Pairs Used2-pair2-pair2-pair; 4-pair4-pair
Supported CablesCat3 or betterCat5 or betterCat5 or betterCat5 or better