Corsair Memory CMPSU-650HX$125.00 to $211.00

This Corsair Memory (CMPSU-650HX) power supply unit provides power of 650 watts, it's fully compatible with ATX.
Manufacturer:Corsair Memory Product MPN MPN | CMPSU650HX | Key Features Wattage | 650 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +3.3V @ 24A, +5V @ 30A, +5VSB @ 3A, +12V @ 52A, +12V (2nd) @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.9 in. | Depth | 5.9 in. | Height | 3.4 in. | Miscellaneous UPC | 843591005425 |
Tags:corsair, memory, cmpsu-650hx,
| 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,
| 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,
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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.

This Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.

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 Corsair Memory Corsair TX Series, 650 Watt, ATX, PS/2, Power Supply, UK Version (CMPSU-650TXUK) power supply unit provides power of 650 watts, it's fully compatible with ATX 12V.