Adopts PCI-E X4 design integrated 4-RJ45 ports specially designed for server and high-end devices; With function of hardware acceleration checking TCP / UDP / IP and segmenting TCP; Each port can send and receive eight queues; Supports SR-IOV; Supports 8 pool (single queue) VMDq of each port; Support DCA; Supports Intel I / O acceleration technology v3.0; UDP and TCP send TSO; SCTP receives and sends check and offload; Packet timer and delay timer are working for sending and receiving; Supports PCI Express 2.0 (5 GTs); Packet buffer based on each channel can reduce use of CPU; Reliable safe and power-saving. CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.276040.rar