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,
| Ultra Products LS350 Lifetime Series 350w PSU$30.00 to $49.00

This Ultra Products LS350 Lifetime Series 350w PSU power supply unit provides power of 350 watts. it's fully compatible with ATX.
Manufacturer:Ultra Products Product MPN MPN | LS350 | Key Features Wattage | 350 Watt | Number of Fans | Single Fan | Compatibility | ATX | Miscellaneous UPC | 22769401041 |
Tags:ultra, products, ls350, lifetime, series, 350w, psu,
| Antec Signature 850$228.00 to $368.00

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.
Manufacturer:Antec Product MPN MPN | 0761345-22850-3 | Key Features Wattage | 850 Watt | Number of Fans | Single Fan | Compatibility | EPS12/ATX12 | Power Properties DC Output | +3.3V @ 25A, +5V @ 25A, +5VSB @ 3A, +12V @ 22A, +12V (2nd) @ 22A, -12V @ 0.5A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.9 in. | Depth | 7.1 in. | Height | 3.4 in. | Weight | 6.14 lb. | Warranty Warranty | 5 Years | Miscellaneous UPC | 761345228503 |
Tags:antec, signature, 850,
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This Corsair Memory CMPSU-1000HX power supply unit provides power of 1000 watts, it's fully compatible with EPS12/ATX12.

This Compaq Dl385 G5p power supply unit provides power of 460 watts.

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

The Lifetime Series Power Supply supports all Intel and AMD platforms, SATA devices and PCI Express graphics cards. This power supply also includes short circuit protection, in-rush current protection and thermal overload cutoff protection.