Features:Adopting for INTEL high-performance main control chip, its stability and compatibility are more guaranteed than ordinary chips.Lightning protection chip - With 2 built-in lightning protection chips, can prevent lightning damage to hardware equipment.Using soldering process for a longer service life.With thicker connecting fingers, to achieve more reliable contact and more stable transmission, and it is not easy to cause packet loss and distortion. It can be easily inserted and removed thousands of times.PCI-E slot can be used.Widely used - Can be used for server / soft routing / ROS / ESXI / PXE / remote wake / aggregation, etc.Specification:Type: Desktop NICChip: For INTEL 82574LBus interface: PCI-EDuplex: compatible with full and half duplexCompatible operating system: For Win98se/Me/NT/2000/XP/Win7/Win8/Win8.1/Win10 / DOS / LinuxLED indicator: 2 LED indicatorsNetwork cable interface: RJ45Transmission rate: 10/100/1000MbpsTransmission medium: 3/4/5 class UTP, STPNetwork standard: IEEE802.1p, IEEE802.1Q, IEEE802.3ab, IEEE802.3ac, IEEE802.3ad, IEEE802.3u, IEEE802.3xRemote wakeup function: SupportSize: Approx. 12.2 * 12 * 2.1cmPackage list:1 * NIC1 * Half-height VeneerNote:Please allow slight error due to manual measurement. Thanks for your kind understanding.