Features: 1.With MINI PCI-E interface, gigabit LAN network card can keep high-speed stable transmission. 2.Via thick connecting finger gold plating process, network card keeps anti-oxidation, anti-corrosion, wear-resistant and good stability. 3.Keep good contact, wired network card can effectively reduce packet loss and improve data transmission rate. 4.High compatibility helps gigabit network card fit for Windows 7 / 10 / WINDOWS SERVER 2008 R2 / 2012 / 2016 / 2019 / Linux 2.6. 31 to 4.11.xLTS /. 5.And wired network card installation is simple, which not requires particularly complicated operations. specification:Item Type: Network card Applicable Network Type: Fast Ethernet Bus Type: MINI PCI E Transmission Rate: 10/100/1000IMbps Whole Duplex / Half Duplex: Whole duplex/half duplex adaptive Network Connection Type: RJ45 LED Indicator: LINK / ACT (connection work) Applicable Models: Desktop Main Chip: For Realtek RTL 8111: Network Standards: IEEE 802.310BASE-T, IEEE 802.3u100BASE-TX, IEEE 802.3ab1000BASE-T IEEE 802.3az Energy-Effcient Ethernet, IEEE 802.3x Flow Control, 802.1QV LAN Tagging, 802.1 player 2 Priority Encoding Driver Support: For Windows7 / 10 / Windows Server 2008 R2 / 2012 / 2016 / 2019 / Linux 2.6. 31 to 4.11.xLTS / versions. Detail Size: Approx. 3cm / 1.2in Approx. 2.5cm / 1in Approx. 12cm / 4.7in Line Length: Approx. 30cm / 11.8in PackageList:1 x MINI Network Card1 x Metal Block1 x Sub Network Card