Cisco PWR-C45-4200ACV$1,260.00 to $3,222.00

The Catalyst 4500 Series Dual Input AC Power Supply supports data and PoE, is designed to accept either 100V AC circuits or 200V AC circuits. The 4200W supply is the largest internal AC power supply available for the Catalyst 4500 series switch. Customer planning large scale PoE deployments can use the dual inputs in the 200V AC configuration. Customers planning for the future can deploy the 4200W power supply with a single 100V circuit.Minimize
Manufacturer:Cisco Product MPN MPN | PWR-C45-4200ACV= | Key Features Wattage | 200 Watt | Miscellaneous UPC | 0882658008566 |
Tags:cisco, pwr-c45-4200acv,
| StarTech.com ATX2POW500HS$55.00 to $94.00

This StarTech.com (ATX2POW500HS) power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.
Manufacturer:StarTech.com Product MPN MPN | ATX2POW500HS | Key Features Wattage | 500 Watt | Number of Fans | Single Fan | Compatibility | ATX 12V | Miscellaneous UPC | 65030819602 |
Tags:startech.com, atx2pow500hs,
| Antec CP-850$109.00 to $199.00

This Antec (CP-850) power supply unit provides power of 850 watts, it's fully compatible with ATX.
Manufacturer:Antec Product MPN MPN | CP-850 | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +3.3V @ 24A, +5V @ 30A, +5VSB @ 3A, +12V @ 22A, +12V (2nd) @ 22A, -12V @ 0.6A | Other Features MTBF | 100000 Hours | Dimensions Width | 6.9 in. | Depth | 7.9 in. | Height | 4.7 in. | Weight | 7 lb. |
Tags:antec, cp-850,
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This Hewlett Packard (437572-B21) power supply unit provides power of 200 watts.

This Antec BP350 power supply unit provides power of 350 watts, it's fully compatible with ATX 12V.

The StealthXStream, kept supremely cool with a large 120mm fan, features a standard ATX power supply form factor resulting in a compact footprint to accommodate virtually all computer towers.

This Antec BP500U power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.