The EC2000S 2-port Gigabit ExpressCard Ethernet Adapter adds 2 10/100/1000Mbps Ethernet ports to an ExpressCard-enabled laptop, or small form factor system, enabling you to connect to two separate physical networks simultaneously with dedicated bandwidth, or providing full dedicated bandwidth to virtual machines. 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 ExpressCard Ethernet Adapter is ready to handle a wide variety of scenarios. With a 34mm ExpressCard form factor, this compact and portable Gigabit Ethernet Adapter will fit in any ExpressCard-enabled system.