The latest generation of D-Link xStack switches DGS-3627 is a 24-Port gigabit managed switch with 4 combo SFP slots or 100BASE-FX fiber ports with 3 optional 10Gigabit uplinks. The DGS-3627 is stackable up to 12 units with 40Gbps full-duplex of stacking bandwidth fixed-in. To help secure your network, the D-Link Safeguard Engine helps prevent Denial-of-Service (DoS) attacks while the Access Control List (ACL) enhances security of your network. The DGS-3627 is equipped with industry standard management features including an easy-to-use web-based administrator interface and a standard CLI interface. D-Link provides these features on a scalable platform that increases your companys productivity while protecting your investment.