HP ProCurve 600$518.00 to $1,374.00

The HP ProCurve 600 Redundant and External Power Supply provides 12V RPS for up to 6 stackable switches and 2 ports with 370W 50V PoE.
Manufacturer:Hewlett Packard Product MPN MPN | J8168A#ABA | Key Features Wattage | 729 Watt | Dimensions Width | 12.8 in. | Depth | 17.4 in. | Height | 1.7 in. | Weight | 11.77 lb. | Miscellaneous UPC | 829160221786 |
Tags:hp, procurve, 600,
| ModXStream Pro OCZ600MXSP$72.00 to $145.00

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.
Manufacturer:OCZ Product MPN MPN | OCZ600MXSP | Key Features Wattage | 600 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties AC Input | 115V @ 10A, 230V @ 5A | DC Output | +3.3V @ 25A, +5V @ 25A, +5VSB @ 2.5A, +12V @ 25A, +12V (2nd) @ 25A, -12V @ 0.3A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 6.3 in. | Height | 3.39 in. | Warranty Warranty | 3 Years |
Tags:modxstream, pro, ocz600mxsp,
| Corsair Memory CX400W$50.00 to $80.00

The Corsair Power CX400W is not your basic power supply. It features a thermally-controlled 120mm fan for whisper quiet operation and active power factor correction circuitry for clean, reliable power output. The extra long, sleeved cables allow easy integration into a wide variety of cases, and the large number of connectors assures compatibility with nearly all components.Minimize
Manufacturer:Corsair Memory Product MPN MPN | CMPSU-400CX | Key Features Wattage | 400 Watt | Compatibility | ATX | Power Properties DC Output | +5V @ 20A, +12V @ 30A, -12V @ 0.8A | Miscellaneous UPC | 843591002868 |
Tags:corsair, memory, cx400w,
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This Compaq Dl385 G5p power supply unit provides power of 460 watts.

This Antec EA 430D 430W EarthWatts Green Series PSU power supply unit provides power of 430 watts. it's fully compatible with ATX 12V.

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.

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.