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,
| HP HP 1200W 12V HOTPLUG ACC PWR SPPLY System Power Supplies$180.00 to $553.00

This Hewlett Packard HP 1200W 12V HOTPLUG ACC PWR SPPLY System Power Supplies power supply unit provides power of 200 watts.
Manufacturer:Hewlett Packard Product MPN MPN | 500172-B21 | Key Features Wattage | 200 Watt | Dimensions Width | 7.38 in. | Depth | 10.38 in. | Height | 16.31 in. | Weight | 7.98 lb. | Miscellaneous UPC | 4948382598714 |
Tags:hp, hp, 1200w, 12v, hotplug, acc, pwr, spply, system, power, supplies,
| Corsair Memory CMPSU-850TX$128.00 to $237.00

The Corsair TX power supplies are engineered using technology and components typically found with high performance power supplies. With design features such as a dedicated, single +12V rail offer the maximum compatibility with the system components.
Manufacturer:Corsair Memory Product MPN MPN | CMPSU-850TX | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 30A, +5V @ 30A, +5VSB @ 3A, +12V @ 70A, -12V @ 0.8A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.9 in. | Depth | 6.3 in. | Height | 3.4 in. | Warranty Warranty | 5 Years | Miscellaneous UPC | 843591003346 |
Tags:corsair, memory, cmpsu-850tx,
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The PS9KX is perfect for home, shop, or hobbyist. It provides 5amp constant and 7 amp surge. The convenient cigarette lighter plug lets you power ANYTHING that will run off a 12V car cigarette lighter.

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

This Antec EA 750 power supply unit provides power of 750 watts, it's fully compatible with ATX 12V.

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.