44 x 10 gigabit copper 4x dedicated 10 gigabit sfp and ports for connections to 10 g capable servers and nas comprehensive networking features such as vlan qo s igmp and mld snooping ipv4 and ipv6 static routing link aggregation acls powerful l2 layer three lite features make them the core switches for smb and virtualization environment advanced management features with web browser based management gui with ipv6 management support lifetime hardware lifetime next business day replacement