The LevelOne Multimode Fiber Network Adapter GNC-0200 is a high performance PCI Express multifunction network adapter for either standard or low profile slots running over a fiber-optic network environment. Based on Intel 82575EB controller, it is a 1000Base-SX PCI Express x1 fiber nic for desktop use.\n\nKey Features\n- Host Interface standard support PCI Express 2.0a\n- High performance, reliability, and low power use in Intel 82575EB dual integrated MAC + PHY / SERDES chip controller\n- Independently Fiber Gigabit Ethernet channel/s support Gigabit Ethernet 1000Base-SX\n- Ultra deep packet buffer per channel lowers CPU utilization\n- Hardware acceleration that can offload tasks from the host processor. The controllers can offload TCP/UDP/IP checksum\n- Calculations and TCP segmentation