3com 3c996b T Driver Windows 7 〈No Ads〉
: Offers true 10/100/1000 Mbps speeds. In historical testing, it was noted for having very low CPU overhead (around 12%) even near maximum gigabit speeds. Known Issues & Tips
: If an automatic installer fails, you can often "Force" the driver by going to Device Manager , selecting "Update Driver," and manually choosing a "Broadcom NetXtreme Gigabit" driver from the built-in Windows list. 3Com 3C996B T Driver Windows 7
: Supports standard 32/64-bit PCI and 66/133 MHz PCI-X slots. It is backward compatible with standard PCI slots, though performance may be limited by the bus. : Offers true 10/100/1000 Mbps speeds

