The D-Link xStack DXS-3250E Ethernet Switch is designed to provide aggregation for servers in data centers with an emphasis on security, performance, and resiliency. With a hot-swappable power supply and removable fan tray in a 2U case, the xStack DXS-3250E can be used to optimize switching performance in a rack server configuration. It provides 48 built-in copper Gigabit ports, including four combo SFP ports for easy, flexible connection to fi ber-based Gigabit media. It is also equipped with one module slot that supports optional 10-Gigabit Ethernet for two XFP fiber connections.