Two Gigabit copper server connections in a single PCI slot Easy, cost-effective 10/100/1000 migration over CAT-5 cabling Multi-Gigabit scalability and increased uptime through advanced server features Optional low-profile bracket included for high-density, rack-mounted servers.Supports 64- or 32-bit PCI-X 1.0 or PCI 2.2 busesIEEE 802.3ab compatibilityIntelｮ 82546 Gigabit ControllerAuto-sensing, self-configuring 10/100/1000 Mbps performanceExpanded advanced server features