Corsair Memory CMPSU-1000HX$229.00 to $380.00

This Corsair Memory CMPSU-1000HX power supply unit provides power of 1000 watts, it's fully compatible with EPS12/ATX12.
Manufacturer:Corsair Memory Product MPN MPN | CMPSU-1000HX | Key Features Wattage | 1000 Watt | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 30A, +5V @ 30A, +12V @ 40A, +12V (2nd) @ 40A, -12V @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 7.87 in. | Height | 3.39 in. | Miscellaneous UPC | 84035910007032 |
Tags:corsair, memory, cmpsu-1000hx,
| 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,
| Ultra Products X3 1600-WATT Modular Psu$330.00 to $586.00

This Ultra Products X3 1600-WATT Modular Psu power supply unit provides power of 600 watts, it's fully compatible with ATX.
Manufacturer:Ultra Products Product MPN MPN | ULT40070 | Key Features Wattage | 600 Watt | Number of Fans | Single Fan | Compatibility | ATX | Miscellaneous UPC | 22769400709 |
Tags:ultra, products, x3, 1600-watt, modular, psu,
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This Zalman Tech (ZM460B-APS) power supply unit provides power of 460 watts, it's fully compatible with ATX 12V.

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.

This StarTech.com (ATX2POW500HS) power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.

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.