Thermaltake W0224RU$218.00 to $363.00

This Thermaltake (W0224RU) power supply unit provides power of 850 watts, it's fully compatible with ATX.
Manufacturer:Thermaltake Product MPN MPN | W0224RU | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +5V @ 30A, +12V @ 62A, -12V @ 0.8A |
Tags:thermaltake, w0224ru,
| 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,
| Antec Signature 850$228.00 to $368.00

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.
Manufacturer:Antec Product MPN MPN | 0761345-22850-3 | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 25A, +5V @ 25A, +5VSB @ 3A, +12V @ 22A, +12V (2nd) @ 22A, -12V @ 0.5A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.9 in. | Depth | 7.1 in. | Height | 3.4 in. | Weight | 6.14 lb. | Warranty Warranty | 5 Years | Miscellaneous UPC | 761345228503 |
Tags:antec, signature, 850,
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This Ultra Products X3 1600-WATT Modular Psu power supply unit provides power of 600 watts, it's fully compatible with ATX.

ATX12V version 2.2 80mm low noise cooling fan Dual 12Voutputs - 12V2 for Motherboard and peripherals; 12V1 for processor Industrial-grade protection circuitry prevents damage resulting from short circuts, power overloads, over voltage, and under voltage 80 PLUS certified

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 HP ProCurve 600 Redundant and External Power Supply provides 12V RPS for up to 6 stackable switches and 2 ports with 370W 50V PoE.