Features: Dual Lan 10G Network Card: Featuring Intel X540 Controller, provides dual 10 Gbps network connectivity for high-speed, stable internet access and local data transmission, helping to prevent packet loss and enhance server stability. Network Interfaces: Two independent Ethernet ports supporting 10GBASE-T, 1000BASE-T, and 100BASE-TX (compliant with IEEE 802.3an, 802.3, 802.3u, and 802.3ab standards); compatible with Windows, Windows Server, Linux, VMware, and ESX systems. PCIe to 10Gbe RJ45: This 10G BASE-T PCIe network adapter converts PCIe x8 or x16 slots into dual 10G RJ-45 Ethernet ports. Note: Designed for PCIe slots only, not compatible with PCI slots. Adaptability and heat dissipation: Includes standard and low-profile brackets for use in desktops, workstations, servers, and mini-tower systems. Efficient heat dissipation design ensures stable network performance under continuous operation. Specifications: LAN Transmission Rate: 10 Gbps Ethernet Applicable Network Type: 10-Gigabit Ethernet Package Included: Yes Model Number: 10G Dual Port Ethernet Card Application: Desktop Interface Type: PCI Express Adapter Socket: PCI-E Kind: External Transmission Rate: 10-Gigabit Ethernet Type: Wired Feature 1: 10Gbps Port Ethernet Network Card Feature 2: PCIe x8/x16 Interface Feature 3: PCIe x8 Network Expansion Adapter Feature 4: Dual Copper RJ45 10Gbps Ethernet Network Card Supported Systems: Windows Server 2003 / 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 Windows Vista / 7 / 8 / 10 (32-bit and 64-bit) FreeBSD, Linux Stable Kernel, VMware ESX/ESXi Package includes: X540-T2 Network Card x 1 Low profile bracket x 1