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,
| Athenatech PS-400WX1$24.00 to $40.00

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.
Manufacturer:Athenatech Product MPN MPN | PS-400WX1 | Key Features Wattage | 400 Watt | Number of Fans | Single Fan | Compatibility | ATX 12V | Power Properties DC Output | +3.3V @ 28A, +5V @ 40A, +5VSB @ 2.5A, +12V @ 20A, +12V (2nd) @ 20A, -5V @ 0.8A, -12V @ 1A | Dimensions Width | 5.9 in. | Depth | 5.7 in. | Height | 3.3 in. | Miscellaneous UPC | 875783009706 |
Tags:athenatech, ps-400wx1,
| Ultra Products LSP750 Lifetime Series Pro 750w PSU$70.00 to $116.00

This Ultra Products LSP750 Lifetime Series Pro 750w PSU power supply unit provides power of 750 watts.
Manufacturer:Ultra Products Product MPN MPN | LSP750 | Key Features Wattage | 750 Watt | Number of Fans | Single Fan | Miscellaneous UPC | 22769401188 |
Tags:ultra, products, lsp750, lifetime, series, pro, 750w, psu,
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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.

This Hewlett Packard (348114-001) power supply unit provides power of 1300 watts.

This Antec (CP-850) power supply unit provides power of 850 watts, it's fully compatible with ATX.

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.