StealthXStream OCZ700SXS$78.00 to $136.00

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.
Manufacturer:OCZ Product MPN MPN | OCZ700SXS | Key Features Wattage | 700 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 36A, +5V @ 30A, +5VSB @ 3A, +12V @ 18A, +12V (2nd) @ 18A, -12V @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.39 in. | Warranty Warranty | 3 Years | Miscellaneous UPC | 842024009511 |
Tags:stealthxstream, ocz700sxs,
| 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,
| 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 Lifetime Series Pro 650-Watt Power Supply power supply unit provides power of 650 watts. it's fully compatible with ATX.

The Lifetime Series Power Supply supports all Intel and AMD platforms, SATA devices and PCI Express graphics cards. This power supply also includes short circuit protection, in-rush current protection and thermal overload cutoff protection.

This Antec BP500U power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.

This Antec EA-500D 500W EarthWatts Green Series PSU power supply unit provides power of 500 watts.