gigabit power supercharges your ethernet network netgear's gigabit pci adapter injects dynamic force into your home or small office desktop pc so you can transfer huge files at astonishing speeds. whether they're video files at home, or the largest cad or database files at work, this powerful 1000 mbps adapter moves them up to 10 times faster than fast ethernet and 100 times faster than 802.11b wireless! supported os: windows xp, 2000, me, 98se (second edition), nt 4.0 and ndis 2.0 drivers dimensions: 14 x 6 cm stds compliance: 10 mbps 10base-t; 20 mbps full-duplex 10base-t; 100 mbps 100base-tx; 200 mbps full-duplex 100base-tx; sys req : pentium pc 300 mhz+, 1 x 32bit/64bit pci slot cd-rom drive, 64mb of mem , win xp home, xp pro,2000, me, 98se win nt 4.0 (service pack 5+), 2000 pro, 2000 svr,2000 adv svr package contents: gigabit pci adapter ga311, install guide adapters resource cd, warranty/support information card