Ultra Products LS400$35.00 to $53.00

Ultra LS power supplies offer a Lifetime Warranty, more connectivity choices than the typical power supply, and have built in short circuit protection. The LS supports all Intel and AMD platforms, SATA devices and PCI Express graphics cards.
Manufacturer:Ultra Products Product MPN MPN | LS400 | Key Features Wattage | 400 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties AC Input | 115V @ 10A, 230V @ 6A | DC Output | +3.3V @ 18A, +5V @ 28A, +5VSB @ 2A, +12V @ 20A, -5V @ 0.6A, -12V @ 0.6A | Dimensions Width | 5.7 in. | Depth | 6 in. | Height | 3.3 in. | Weight | 4.5 lb. | Warranty Warranty | Lifetime | Miscellaneous UPC | 22769401058 |
Tags:ultra, products, ls400,
| HP 437572-B21$92.00 to $379.00

This Hewlett Packard (437572-B21) power supply unit provides power of 200 watts.
Manufacturer:Hewlett Packard Product MPN MPN | 437572B21 | Key Features Wattage | 200 Watt | Miscellaneous UPC | 5051964144182 |
Tags:hp, 437572-b21,
| 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 HP ProCurve 600 Redundant and External Power Supply provides 12V RPS for up to 6 stackable switches and 2 ports with 370W 50V PoE.

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

This Antec (CP-850) power supply unit provides power of 850 watts, it's fully compatible with ATX.

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.