Product Detail Supports 32 bit Universal PCI bus One 12-24V DC input powers PCI card and PoE ports 4 ports PoE, IEEEE 802.3af compliant, delivers 15.4Watts per port Unmanaged switch function IEEE 802.3 10 Base-T and 100 Base-Tx compatible . The "4 Port POE NIC PCI Card" is best product for you. We recommended 4 Port POE NIC PCI Card