Antec EARTHWATTS EA-500$65.00 to $122.00

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
Manufacturer:Antec Product MPN MPN | 0761345-27500-2 | Key Features Wattage | 500 Watt | Number of Fans | Single Fan | Compatibility | ATX 12V | Power Properties DC Output | +3.3V @ 24A, +5V @ 24A, +5VSB @ 2.5A, +12V @ 22A, +12V (2nd) @ 22A, -12V @ 0.8A | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.9 in. | Weight | 3.48 lb. | Warranty Warranty | 3 Years | Miscellaneous UPC | 00761345275002 |
Tags:antec, earthwatts, ea-500,
| HP ProCurve 600$518.00 to $1,374.00

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.
Manufacturer:Hewlett Packard Product MPN MPN | J8168A#ABA | Key Features Wattage | 729 Watt | Dimensions Width | 12.8 in. | Depth | 17.4 in. | Height | 1.7 in. | Weight | 11.77 lb. | Miscellaneous UPC | 829160221786 |
Tags:hp, procurve, 600,
| Zalman Tech ZM460B-APS$82.00 to $127.00

This Zalman Tech (ZM460B-APS) power supply unit provides power of 460 watts, it's fully compatible with ATX 12V.
Manufacturer:Zalman Tech Product MPN MPN | ZM460B-APS | Key Features Wattage | 460 Watt | Number of Fans | Single Fan | Compatibility | ATX 12V | Miscellaneous UPC | 823884004618 |
Tags:zalman, tech, zm460b-aps,
|

This Corsair Memory (CMPSU-650HX) power supply unit provides power of 650 watts, it's fully compatible with ATX.

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

Athenatech manufactures professional computer cases and power supplies. The PS-400WX1 is a 400Watts Pentium ready power supply featuring 20 pin + 4 pin ATX-12V power connector, an 8 cm fan, 2 x Serial ATA (SATA) hard disks power connectors and Intelligent transformable mainboard connectors.

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