24 10/100/1000BASE-T ports, each capable of up to 15.4W of 802.3af PoE

4 Combo SFP for Fiber Gigabit

2 open slots for optional 10-Gigabit stacking and/or uplinks

Optional external redundant power supply

xStack Integration--

Virtual stack of up to 32 Units

Single IP Management for integration with L3 Core switches

Physical stackable up to 12 units, 288 Gigabit ports

Enhanced L2+ Features---

IP v4/v6 static routing

1 IPv6 tunnelling

Security---

L2/L3/L4 Multi-Layer Access Control

D-Link Safeguard Engine

MAC-IP binding, web access control (R2), per-flow bandwidth control

802.1X authentication, external RADIUS/TACACS+ support

SSH/SSL support

ZoneDefense mechanism together with D-Link NetDefend firewalls

Quality of Service---

802.1p priority queues/Multi-Layer CoS