The Web Smart DGS-1248T blends plug & play simplicity with exceptional performance and feature sets. With forty-eight 10/100/1000BASE-T ports and four combo SFP expansion slots, the DGS-1248T is designed to help provide a simple and economical migration path from 10BASE-T or 100BASE-TX to 1000BASE-T Gigabit. Every DGS-1248T also comes with auto-discovery software that automatically detects and displays up to 254 D-Link Web Smart switches running on your network. The DGS-1248T is the best choice for future proo ng your network and is a worthy investment.