Features: Plugs and Play Rtl8139 PCI networking Card delivers instants 100Mbps connectivitys without driver installation, for desktop upgrades. This 100Mbps PCI Ethernet card features RTL8139 chipset for stable data transfer and broad compatibility with systems. for users to enhanceds older desktop systems without complex software setups. Optimized home office networkings or gaming setups with wireds connection for browsing and streaming. Builts with PCB materials, this PCI networking card ensures long performances for continuous high bandwidth tasks. Specifications: Materials: PCB Size:14x10x3cm/5.51x3.94x1.18inch Package Includes: 1PC Rtl8139 PCI networking Card note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.