24-port 10/100/1000 Gigabit Smart Switch + 4 SFP\n- 24 x 10/100/1000Mbps Auto-Negotiating Ports\n- 4x 1000Mbps SFP port\n- dlink|green 3.0, advance power saving features\n- 802.3az Energy Efficient Ethernet (EEE) port power save in idle mode\n- Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX\n- Jumbo frames up to 13000 bytes, 16K MAC-addresses\n- IEEE 802.3x Flow Control\n- 802.3ad Link Aggregation\n- Asymmetric VLAN, Auto Voice/Surveillance VLAN\n- Traffic Segmentation\n- 802.1p priority queues\n- MAC/IP filtering\n- MAC/IP-based ACL\n- 802.1X port-base Access Control, Port Security\n- D-Link Safequare Engine\n- IPv6 Ready\n- D-Link Network Assistant Utility (DNA) from firmware ver. 4.1, web based management, compact CLI, IPv6 Ready\n- D-View 6.0 support\n- 0-50°C operating temperature\n- 19\" Rackmount Installation