Key Benefits • Simple way to add Gigabit Ethernet connectivity to any compatible computer • Supports gigabit speeds on common CAT-5 cabling—no need for costly cable replacement • Supports link aggregation on its own and with onboard Gigabit Ethernet ports • Supports transparent failover • Full/half duplex • 1000/100/10BaseT auto-negotiation • PCI Express (PCIe) x4 host bus interface for maximum performance Dual Port Network Connection Whether you need to add more Gigabit Ethernet ports to your server for improved performance and reliability or the ability to connect your computer to more networks, get a Sonnet Presto™ Gigabit PCIe Server dual-port Gigabit Ethernet adapter card for PCI Express for an advanced networking solution! This 4-lane (x4) PCI Express card supports link aggregation on its own and with your computer’s onboard Gigabit Ethernet ports and full duplex communication to achieve up to 2000 Mbps and faster transfer rates—the ideal solution for high-bandwidth data transfer requirements. Presto Gigabit Ethernet PCIe Server also supports 9000 byte jumbo packet transfers (compared to 1500 byte standard packets) to support higher performance and reduced overhead when transferring large files. Should a cable get unplugged or a port fail, Presto Gigabit PCIe Server provides transparent failover protection, so your computer remains connected to the network. Mac & PC Compatibility For complete Mac and PC compatibility list, visit product's webpage.