... 2. Cisco 6500 Series Power Supply 3. 1 year warranty WS-CAC-4000W-US - Cisco power supply - Specifications: GeneralDevice TypePower supply ... 170 - 264 VFrequency Required50/60 HzInput Connector(s)Power NEMA L6-30Output Voltage+3.3, +5, +12, +42 VPower Capacity4 kW ... years.We buy High-End, to Low-End. New cisco WS-CAC-4000W-US