Antec Signature 850$228.00 to $368.00

The Signature 850 features DC to DC voltage regulator modules which ensure greater system stability, and an 80mm Pulse Width Modulation (PWM) fan which can run up to 50% quieter than standard fans.
Manufacturer:Antec Product MPN MPN | 0761345-22850-3 | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 25A, +5V @ 25A, +5VSB @ 3A, +12V @ 22A, +12V (2nd) @ 22A, -12V @ 0.5A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.9 in. | Depth | 7.1 in. | Height | 3.4 in. | Weight | 6.14 lb. | Warranty Warranty | 5 Years | Miscellaneous UPC | 761345228503 |
Tags:antec, signature, 850,
| 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,
| HP 348114-001$62.00 to $510.00

This Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.
Manufacturer:Hewlett Packard Product MPN MPN | 348114001 | Key Features Wattage | 1300 Watt | Miscellaneous Quantity in Package | 1 | UPC | 808736763479 |
Tags:hp, 348114-001,
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The OCZ ModXStream provides Universal Input and Active PFC (Power Factor Correction) to effectively regulate input voltage across worldwide power grids and maintain an economical, stable supply of power.

This Ultra Products Ultra Lifetime LS500 ATX12V & EPS12V Power Supply - 500W - ATX12V & EPS12V Power Supply power supply unit provides power of 500 watts, it's fully compatible with ATX.

TruePower Quattro™ is 80PLUS® certified which means that Quattro™ consumes about 33% less energy than many equivalent power supplies with the same power output. Four 12V rails increase your system stability 9

This Antec TruePower Quattro (TPQ850EC ) power supply unit provides power of 850 watts.