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,
| 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,
| Coolmax V-500$19.00 to $28.00

Built with quality components especially designed to offer extra long life and provide maximum system performance, this Coolmax power supply features over voltage, over power and short circuit protection and is compatible with all leading processors including Pentium 4, AMD Athlon XP and Pentium III. Includes built-in EMI filter for exceptionally low ripple noise.Minimize
Manufacturer:Coolmax Product MPN MPN | V-500 | Key Features Wattage | 500 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +3.3V @ 30A, +5V @ 45A, +5VSB @ 2.5A, +12V @ 18A, +12V (2nd) @ 16A, -12V @ 1A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.35 in. | Miscellaneous UPC | 895963146212 |
Tags:coolmax, v-500,
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This Antec TruePower Quattro (TPQ850EC ) power supply unit provides power of 850 watts.

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.

This Whistler PI-400W power supply unit provides power of 400 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.