1、Adopting for INTEL high-performance main control chip, its stability and compatibility are more guaranteed than ordinary chips. 2、Lightning protection chip - With 2 built-in lightning protection chips, can prevent lightning damage to hardware equipment. 3、With thicker connecting fingers, to achieve more reliable contact and more stable transmission, and it is not easy to cause packet loss and distortion. 4、It can be easily inserted and removed thousands of times. 5、Widely used - Can be used for server / soft routing / ROS / ESXI / PXE / remote wake / aggregation, etc. 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 NIC Chip: For INTEL 82574L Bus interface: PCI-E Duplex: compatible with full and half duplex Compatible operating system: For Win98se/Me/NT/2000/XP/Win7/Win8/Win 8.1/Win10 / DOS / Linux LED indicator: 2 LED indicators Network cable interface: RJ45 Transmission rate: 10/100/1000Mbps Transmission medium: 3/4/5 class UTP, STP Network standard: IEEE 802.1p, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3ac, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3x Remote wakeup function: Support Size: Approx. 12.2 * 12 * 2.1cm   Package list: 1 * NIC 1 * Half-height Veneer Note: Please allow slight error due to manual measurement. Thanks for your kind understanding.