10G Dual RJ45 Port PCI-E Network Card, with X540 Controller, X540-T2 10Gb Ethernet Adapter with 2 * 10Gbe NIC, PCI Express v2.0 (5.0GT/s) x8; compatible with PCI-E X8 and PCI-E X16 slots, Support Windows/Linux/ESX Servers

High-speed 10Gb performance: Built around the Intel X540 controller, this X540-T2 dual-RJ45 10Gb Ethernet adapter delivers up to 10Gb/s per port for stable, low-loss networking and improved server reliability. Dual-port connectivity: The adapter provides two independent Ethernet ports and supports 100Mbps/1Gbps/10Gbps link speeds. Interface and slot info: PCI Express v2.0 (5.0GT/s) x8; compatibility x16 lanes for PCI-E X8 and PCI-E X16 slots. Note: For PCIe ports only, not for PCI slots. Easy setup: Drivers can be installed via the included QR code or downloaded directly from Intel's website. The card ships with both a standard bracket and a low-profile bracket to fit desktops, workstations, servers and mini-towers. Broad OS compatibility: Compatible with Windows Server 2003/ 2008/ 2012, Windows 7/8/10/11, Visa, Vmware, Linux, ESX, ESXi — supports multiple device connections to accommodate data center or home networking environments. Quality & support: Each 10G NIC is tested for reliability, quality, and performance. Lifetime technical support is provided for the product.