JUNIPER - EX 4500 SWITCH - 40 PORTS - L3 - MANAGED (EX4500-40F-BF-C). KEY FEATURES : PRODUCT TYPE: SWITCH CHASSIS INTERFACES/PORTS: 1 X RJ-45 10/100/1000BASE-T NETWORK MANAGEMENT NUMBER OF EXPANSION SLOTS: 42 EXPANSION SLOTS: (40 TOTAL) SFP+, (2 TOTAL) EXPANSION SLOT UPLINK MANAGEABLE: YES INPUT VOLTAGE: 110 V AC, 220 V AC COMPATIBLE RACK UNIT: 2U FORM FACTOR: RACK-MOUNTABLE . .