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,
| 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,
| ModXStream Pro OCZ500MXSP$59.00 to $125.00

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 | OCZ500MXSP | Key Features Wattage | 500 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 @ 18A, +12V (2nd) @ 18A, -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 | Miscellaneous UPC | 842024009139 |
Tags:modxstream, pro, ocz500mxsp,
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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 Hewlett Packard (437572-B21) power supply unit provides power of 200 watts.

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

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.