"10-port 10/100/1000 Gigabit PoE Smart Switch including 2 SFP - 8 x 10/100/1000Mbps Auto-Negotiating Port - 2 x 100/1000Mbps SFP Slot - dlink|green 3.0, advance power saving features, time-based PoE - 802.3az Energy Efficient Ethernet (EEE) port power save in idle mode - 802.3af & 802.3at, max PoE budget 65W - 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 - Asymmetric VLAN, Auto Voice/Surveillance VLAN - LLDP/LLDP-MED - 802.1p priority queues, CoS by ToS, TCP/UDP-Port and IPv6 Traffic Class - MAC/IP filtering - MAC/IP-based ACL - Static Routing and Default Route - 802.1X port-base Access Control, Port Security - D-Link Safeguard Engine - Dual Image - Network Assistant, web based management, compact CLI, IPv4/IPv6 Dual Stack, IPv6 Ready - D-View support - Compact 13"" desktop enclosure, 19"" Rackmount installation - Firmware Release 6 not backward compatible tp Hardware Version C1".