10-Port Gigabit Smart Switch with 2 SFP ports - 8 x 10/100/1000Mbps Auto-Negotiating Ports - 2 x 100/1000Mbps SFP ports - Advance power saving features - Fanless design - Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX - IEEE 802.3x Flow Control - 802.3ad Link Aggregation - 802.1D/802.1w/802.1s Multiple Spanning Tree - Switching Capacity 20Gbps - Max packet forwarding rate 14.88Mpps - Jumbo frame 9,216 - Asymmetric VLAN, Auto Voice VLAN - 802.1p priority queues - MAC/IP filtering - MAC/IP-based ACL - 802.1X port-base Access Control, Port Security - Static Routing and Default Route - D-Link Safequare Engine - Network Assistant, web based management, compact CLI - D-View support - Dual Image - 19" Rackmount Installation - Firmware Release 6 not backward compatible to Hardware Version C1.