The HP Ethernet 1Gb 4-port 366T Adapter features the next generation of Ethernet integration offering in a single chip solution, further reducing power requirements for 4 ports of 1Gb Ethernet. The HP 366T is PCI Express 2.1 x4 based on the latest Intel® Ethernet Controller I350 designed for use with select HP ProLiant Gen9 rack, tower and density optimized servers. New Levels of Performance and Power Management in a 1GbE Card for HP ProLiant Gen9 DL/ML/XL Servers. New fully integrated (bridgeless) Intel® Ethernet I350 Controller, optimized for the new Integrated I/O and Data Direct I/O technologies. Quad port bandwidth, Gigabit PCI Express 2.1 NIC, with full height or low profile brackets. New I/O technologies reduce system power, increases I/O performance and reduces I/O latency.