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,
| StealthXStream OCZ700SXS$78.00 to $136.00

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.
Manufacturer:OCZ Product MPN MPN | OCZ700SXS | Key Features Wattage | 700 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 36A, +5V @ 30A, +5VSB @ 3A, +12V @ 18A, +12V (2nd) @ 18A, -12V @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.39 in. | Warranty Warranty | 3 Years | Miscellaneous UPC | 842024009511 |
Tags:stealthxstream, ocz700sxs,
| 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,
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This Ultra Products LSP550 Lifetime Series Pro 550w PSU power supply unit provides power of 550 watts. it's fully compatible with ATX 12V.

Information technology professionals rely on HP quality to ensure maximum productivity. As the power of applications, processors, memory adapters and storage devices increases, high-end computer users are seeking ways to optimize their system performance. HP provides leading solutions, adding new levels of performance, availability, flexibility, and management.Minimize

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.

This StarTech.com (ATX2POW500HS) power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.