24 10/100/1000 Base-T port with 4 x 1000Base-T /SFP ports\n- 24 x 10/100/1000Mbps Auto-Negotiating Port\n- 4 x Combo 10/100/1000Mbps/100/1000Mbps SFP Port\n- Switching Capacity 56 Gbps\n- Advance power saving features\n - Max power consumption 16.81 Watts\n- Fanless design\n- Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX\n- IEEE 802.3x Flow Control\n- 802.3ad Link Aggregation\n- 802.1D/802.1w/802.1s Multiple Spanning Tree\n- Asymmetric VLAN, Auto Voice/Surveillance VLAN\n- 802.1p priority queues\n- MAC/IP filtering\n- MAC/IP-based ACL 200 rules (port list)\n- 802.1X port-base Access Control, Port Security\n- LLDP, LLDP-MED, Smart Binding, Traffic Segmentation\n- IPv6 configurations\n- Static Routing and Default Route\n- D-Link Safequare Engine\n- Smart Console Utility, web based management, compact CLI\n- Dual Image\n- D-View 6.0 support\n- 19\" Rackmount Installation\n- IEEE 802.3az EEE\n- Firmware Release 6 not backward compatible tp Hardware Version C1