1、PCIe v0 (8.0 GT/s). The PCIe slot is the X4Lane slot. 2、Support high performance, low processor occupy pci-e data cable. 3、Support auto-negotiation technology, automatically detect full-duplex/half-duplex mode. Automatically match network transmission rate. 4、It also applies to desktop computers, industrial computers and servers. 5、Support ALAN network convergence function. The new Intel Ethernet Server Adapter I350 series builds on Intel's history of excellence in Ethernet products. For Intel continues to maintain its market leadership in next-generation PCIe GbE network adapters. These adapters, built using the bridgeless for Intel I350 Ethernet controller, represent the next step in the evolution of enterprise and data center GbE networks. A new level of performance has been introduced through industry-leading virtualization and enhancements to the iSCSI unified network environment. The new family of adapters also includes new power management technologies such as Energy Efficient Ethernet (EEE) and DMA Consolidation (DMAC). Features: 1. PCIe v 3.0 ( 8.0 GT/s). The PCIe slot is the X4Lane slot. 2. Support high performance, low processor occupy pci-e data cable. 3. Support auto-negotiation technology, automatically detect full-duplex/half-duplex mode. Automatically match network transmission rate. 4. It also applies to desktop computers, industrial computers and servers. 5. Support ALAN network convergence function. 6. It has high performance, high reliability and low CPU usage occupation. 7. For Intel X550 high-performance master chip. It provides a reliable guarantee for the quality, high stability and high compatibility of the network card. Specifications: Product Series: X550 Master Chip: X550-T2 Product: Ethernet Converged Network Adapter X550-T2 Model: 10Gigabit Ethernet Card Interface: PCI Express 3.0 x8 Total Number of Ports: 2 Number of Network(RJ-45)Ports: 2 Media Type Supported: Twisted Pair Network Technology: 10GBase-T Form Factor: Plug-in Card Ethernet storage: Iscsi,FcoE,NFS For Intel Data Direct I/O Technology: Support IWARP/RDMA: no Smart unload: Support Wiring type: rj-45 Category-6 up to 55m;Category-6A up to 100m Data transfer rate per port: 100Mb/1GbE/5GbE/10GbE    Size: Approx. 130*120*20MM/ 5.12* 4.72* 0.79in Package List: 1 * Network Card 1 * Baffle