Gigabit Ethernet Fiber Adapter Card, Fibre SC Connector, PCI-X, Single Pack, RoHS version AT-2931SX 1000SX (SC or LC) desktop fiber Gigabit Network Interface Card (PCI-X) The AT-2931SX/SC, 32/64 bit, Gigabit Ethernet NIC provides a 1000Mbps fiber port to deliver desktop connectivity in fiber rich LAN environments. An ideal fit for the security needed in government and federal applications. With both standard and low profile brackets included (standard bracket pre-assembled), driver support for most popular operating systems and PCI 2.2 capability, installation couldn't be easier. Available in SC or LC connector types. Features * Jumbo frames support up to 9KB * TCP, UDP & IP checksum generation and check packet filtering based on checksum errors * Support for all popular operating systems, including Sun Solaris, for ease of integration * Link aggregation offers higher capacity and availability * Adaptive interrupts reduces host CPU utilization * Load balancing and priority queuing for network optimization * CPU Task Offload reduces CPU use * Network administrator support with remote boot (PXE 2.1) * Virtual LANs with 802.1q VLAN tagging