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,
| Antec BP500U$37.00 to $70.00

This Antec BP500U power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.
Manufacturer:Antec Product MPN MPN | BP500U | Key Features Wattage | 500 Watt | Compatibility | ATX 12V | Power Properties DC Output | +3.3V @ 30A, +5V @ 30A, +5VSB @ 2.5A, +12V @ 18A, +12V (2nd) @ 18A, -12V @ 0.3A | Other Features MTBF | 80000 Hours | Dimensions Width | 5.8 in. | Depth | 5.5 in. | Height | 3.5 in. | Weight | 3.7 lb. | Miscellaneous UPC | 00761345235006 |
Tags:antec, bp500u,
| Cooler Master Elite RS400-PSARJ3-US$28.00 to $51.00

Elite power supplies deliver value while providing a durable power source for everyday computing. Using high performance components, Elite power supplies are compliant with most international standards including ATX 12V V2.3.
Manufacturer:Cooler Master Product MPN MPN | RS400-PSARJ3-US | Key Features Wattage | 400 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +3.3V @ 20A, +5V @ 16A, +12V @ 16A, +12V (2nd) @ 16A, -5V @ 2.5A, -12V @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.39 in. | Warranty Warranty | 1 Year | Miscellaneous UPC | 884102004667 | Exterior Color | Black |
Tags:cooler, master, elite, rs400-psarj3-us,
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This Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.

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.

The Corsair TX power supplies are engineered using technology and components typically found with high performance power supplies. With design features such as a dedicated, single +12V rail offer the maximum compatibility with the system components.

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.