* Order-related, cannot be canceled *, 36 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASETX, IEEE 802.3ab Type 1000Base-T PoE+) Duplex: 10BASE-T/100BASE-TX:half or full1000BASE-T: full only 4 Combo 10/100/1000BASE-T PoE+ or 100/1000Mbps SFP Ports 1 Stacking Module Slot 2 Power Supply Slots(power supplies not included)