Whistler PI-400W$23.00 to $45.00

This Whistler PI-400W power supply unit provides power of 400 watts.
Manufacturer:Whistler Product MPN MPN | PI400W | Key Features Wattage | 400 Watt | Miscellaneous UPC | 052303403361 |
Tags:whistler, pi-400w,
| Ultra Products LS400$35.00 to $53.00

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.
Manufacturer:Ultra Products Product MPN MPN | LS400 | Key Features Wattage | 400 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties AC Input | 115V @ 10A, 230V @ 6A | DC Output | +3.3V @ 18A, +5V @ 28A, +5VSB @ 2A, +12V @ 20A, -5V @ 0.6A, -12V @ 0.6A | Dimensions Width | 5.7 in. | Depth | 6 in. | Height | 3.3 in. | Weight | 4.5 lb. | Warranty Warranty | Lifetime | Miscellaneous UPC | 22769401058 |
Tags:ultra, products, ls400,
| 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 Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.

This Corsair Memory Corsair TX Series, 650 Watt, ATX, PS/2, Power Supply, UK Version (CMPSU-650TXUK) power supply unit provides power of 650 watts, it's fully compatible with ATX 12V.

This Ultra Products LSP550 Lifetime Series Pro 550w PSU power supply unit provides power of 550 watts. it's fully compatible with ATX 12V.

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.