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,
| 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,
| Thermaltake W0224RU$218.00 to $363.00

This Thermaltake (W0224RU) power supply unit provides power of 850 watts, it's fully compatible with ATX.
Manufacturer:Thermaltake Product MPN MPN | W0224RU | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +5V @ 30A, +12V @ 62A, -12V @ 0.8A |
Tags:thermaltake, w0224ru,
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This Hewlett Packard (437572-B21) power supply unit provides power of 200 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 Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.

This OCZ Z Series Gold OCZZ850M 850W ATX12V 2.3/ EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS GOLD C... power supply unit provides power of 850 watts.