For PCs with PCI Express (PCIe) slots, the Intel?? PRO/1000 PT Desktop Adapter offers the newest technology for maximizing system performance and increasing end-user productivity. Specifically, the Intel PRO/1000 PT Desktop Adapter uses auto-negotiation to allow the adapter to run at the highest available network speed (10, 100 or 1000 Mbps), and it maintains full bandwidth capacity with the dedicated 2.5-Gbps bandwidth of a PCI Express input/output (I/O) bus to provide connectivity you can count on.

High-performance, self-configuring 10/100/1000 Mbps connection for PCI Express slots.
Easy installation, maintenance and advanced management capabilities
Built on Intel?? lead-free1 technology.