For Intel X550-T1 Main Control Chip 10Gigabit 10G PCI-E Ethernet Server Network Adapter Card Features: PCI-E v3.0 (8.0 GT/s): PCI-E slot is X4Lane slot. Support high performance, low processor occupancy pci-e data bus. Support auto-negotiation technology: Automatically detect full-duplex/half-duplex mode, and automatically match network transmission rate. It also works on desktop computers, industrial computers and servers. Support ALAN network convergence function. It has high performance, high reliability and low CPU occupancy. For Intel X550 high-performance main control chip: Provides reliable guarantee for network card quality, high stability and high compatibility.   Specification: Product Series: X550-T1 Main control chip: X550-T1 Product Name: Ethernet Converged Network Adapter X550-T1 Network Adapter Card type: 10Gigabit Ethernet Card Interface: PCI Express 3.0 x8 Number of Network(RJ-45)Ports: 1 Media Type Supported: Twisted Pair Network Technology: 10GBase-T Ethernet storage: Iscsi,FcoE,NFS Intel Data Direct I/O Technology: is IWARP/RDMA: no Smart unload: yes Wiring type: rj-45 Category-6 up to 55m; Category-6A up to 100m Data transfer rate per port: 100Mb/1GbE/5GbE/10GbE     Package List: 1 * X550-T1 Network card 1 * Half height baffle 1 * Drive CD