Price $55 to $550 (1)$550 to $650 (1) Network Technology 10/100/1000Base-T10GBase-X (1)1000Base-T1000Base-X (1) Media Type Supported Optical FiberTwisted Pair (1)Twisted PairOptical Fiber (1) Limited Warranty 5 Year (1)Lifetime (1) Port/Expansion Slot Details 24 x Gigabit Ethernet PoE+4 x 10 Gigabit Ethernet Expansion Slot (1)24 x Gigabit Ethernet PoE+4 x Gigabit Ethernet Expansion Slot (1) Expansion Slot Type SFP (mini-GBIC) (1)SFP+ (1) Ethernet Technology Gigabit Ethernet10 Gigabit Ethernet (1)Gigabit Ethernet (1) Number of Total Expansion Slots 2 (1)4 (1) Networking Standards IEEE 802.3afIEEE 802.3at (1)IEEE 802.3afIEEE 802.3atIEEE 802.1pIEEE 802.3adIEEE 802.1DIEEE 802.1wIEEE 802.1sIEEE 802.3xIEEE 802.1QIEEE 802.1xIEEE 802.1ab (1)