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,
| ModXStream Pro OCZ600MXSP$72.00 to $145.00

The OCZ ModXStream provides Universal Input and Active PFC (Power Factor Correction) to effectively regulate input voltage across worldwide power grids and maintain an economical, stable supply of power.
Manufacturer:OCZ Product MPN MPN | OCZ600MXSP | Key Features Wattage | 600 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties AC Input | 115V @ 10A, 230V @ 5A | DC Output | +3.3V @ 25A, +5V @ 25A, +5VSB @ 2.5A, +12V @ 25A, +12V (2nd) @ 25A, -12V @ 0.3A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 6.3 in. | Height | 3.39 in. | Warranty Warranty | 3 Years |
Tags:modxstream, pro, ocz600mxsp,
| HP 437572-B21$92.00 to $379.00

This Hewlett Packard (437572-B21) power supply unit provides power of 200 watts.
Manufacturer:Hewlett Packard Product MPN MPN | 437572B21 | Key Features Wattage | 200 Watt | Miscellaneous UPC | 5051964144182 |
Tags:hp, 437572-b21,
|

This Antec EA-500D 500W EarthWatts Green Series PSU power supply unit provides power of 500 watts.

This StarTech.com (ATX2POW500HS) power supply unit provides power of 500 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.

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