1、Good Systems Performance: When used with for Microsoft Receive Side Scaling or for Scalable I/O on for Linux, improves the performance of multiprocessor systems by effectively balancing the network load between CPU cores. 2、Dual Port: Enables two Gigabit connections in a single adapter, providing higher bandwidth for slot constrained servers, and delivering high performance, reliability, and low power consumption in a single integrated dual port PCI Express Gigabit Ethernet controller chip use. 3、Network Standards: For Intel 8257 chipset, fully compatible with network standards: lEEE802.1p, IEEE 802.1Q, IEEE 802.2, IEEE802.3ac, IEEE 802.3az, IEEE 802.3x, IEEE 802.3z, IEEE 802.3ad. 4、Specifically Designed: For Intel 82571 Gigabit Ethernet Controller for PCI Express is designed for high performance and low memory latency. 5、Support System: Support for Windows 7, 8, 8.1, 10, for xp, for vista, for windows server R 2008 r2, 2012, 2016, 2019, for linux 2.6.x to 5.x. Item Type: PCIE Ethernet Adapter Card Material: PCBApplicable Network Type: Fast Ethernet Bus Type: PCIE Transmission Rate: 10/100/1000Mbps Full Duplex Half Duplex: Full Duplex Half Duplex Adaptive Network Connection Type: RJ45 Led Indicator: Link/act (Connection Working) Applicable Models: Desktop Main Chip: for  Intel 82571 Network Standards: lEEE802.1p，IEEE 802.1Q，IEEE 802.2，IEEE802.3ac，IEEE 802.3az，IEEE 802.3x，IEEE 802.3z，IEEE 802.3adSoftware Operating System Compatibility: for Windows 7, 8, 8.1, 10, for xp, for vista, for Windows Server R 2008 r2, 2012, 2016, 2019, for Linux 2.6.x to 5.x 1 x PCIE Ethernet Adapter Card 1 x Thin Bracket