Factory Sealed The Cisco Catalyst 4000/4500 Series WS X4306 GB Ethernet Module provides six ports of dedicated 1000BASE X Gigabit Ethernet uplinks for high speed backbone, switch to switch applications or small server farm applications. It uses the versatile GBIC technology so intrabuilding multimode connections can be intermixed with long distance, campus, single mode connections. All ports can utilize Gigabit EtherChannel or IEEE 802.3ad for high speed interconnection applications. Factory Sealed products are new, in original manufacturer packaging, and carry a manufacturer warranty. Model number WS X4306 GB Product Name Cisco Catalyst 4000/4500 Series WS X4306 GB Ethernet Module Product Type Ethernet Module Data Transfer Rate 1 Gbps Gigabit Ethernet Full duplex Expansion Slots 6 x GBIC Status Indicators Status, Link Compatibility Cisco Catalyst 4503, 4506, 4507R, 4003, 4006, 4503, 4506, 4507R, 4003, 4006 Switch Weight 4.8 lbs