The Syba Dual 2.5 Gigabit Ethernet PCI-E Card (SD-PEX24066) is a versatile network card designed for desktop computers. It provides two RJ-45 ports for high-speed Ethernet connections, with a data transfer rate of up to 25000.0 Mbps. The card is compatible with PCI, PCI Express, and USB 3.0/2.0 interfaces, making it a flexible option for various devices. The package includes a manual and CD driver for easy installation. With a compact size and included components, this low-profile card is a practical choice for expanding your computer's network capabilities.