Specification: Type: Dual Port Network Card Type: Server NIC Chip: for intel 82576-T2 Support PCMCIA standard: NO Bus interface: PCI-E X1 Full duplex: compatible with full and half duplex LED indicator: 2 LED indicators Network cable interface type: RJ45 Transmission rate: 10/100/1000 Transmission media type: UTP Network standard: IEEE8 02.3ad, IEEE802.1Q, IEEE802.3, IEEE801.p Working temperature: 0 - 55 Working humidity: 85% Storage temperature: -20 - 65 Storage humidity: 85% Size: Approx. 13.5 * 12 * 2.1cm Package list: 1 x Server NIC 1 x Half-height Veneer1 x CD Note: Please allow slight error due to manual measurement. Thanks for your kind understanding. [High Compatibility] - Supports multiple operating systems including XP / WIN7 / WIN8 / WIN10. [Versatile Applications] - Suitable for servers, soft routing, ROS, ESXI, PXE, remote wake, aggregation, and more. [Stable and Reliable] - Works stably for long periods, ideal for diskless servers, data servers, website servers, and more. [Virtual Machine Applications] - Compatible with VM virtual machines, ESXI full versions, offering features such as virtual VLAN, aggregation load balancing,control, ISCSI, and more. [Powerful Performance] - Equipped with the 82576-T2 chip, supports full duplex and half duplex modes, achieving gigabit transmission rates. [High Compatibility] - Supports multiple operating systems including XP / WIN7 / WIN8 / WIN10. [Versatile Applications] - Suitable for servers, soft routing, ROS, ESXI, PXE, remote wake, aggregation, and more. [Stable and Reliable] - Works stably for long periods, ideal for diskless servers, data servers, website servers, and more. [Virtual Machine Applications] - Compatible with VM virtual machines, ESXI full versions, offering features such as virtual VLAN, aggregation load balancing,control, ISCSI, and more. [Powerful Performance] - Equipped with the 82576-T2 chip, supports full duplex and half duplex modes, achieving gigabit transmission rates.