Add a gigabit rj45 port through a mini pci express slot the st1000smpex mini pci express gigabit network adapter card adds 1000mbps network connectivity to a mini pci express pci express mini card mini pcie enabled computer system such as mini itx motherboards supporting features such as ndis5 checksum and large send offload for lower cpu utilization wake on lan wol and remote wake up power management jumbo frames and vlan tagging this mini pci express gigabit adapter is ready to hand