DELL Force10 Z9000, L2/L3, 40 Gigabit Ethernet, Rack mounting DELL Force10 Z9000. Switch layer: L2/L3. Switching optical modules type: 40 Gigabit Ethernet. USB 2.0 ports quantity: 2, Console port: RJ-45. Networking standards: IEEE 802.1ab, IEEE 802.1ag, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE.... Rack mounting