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 X3 1600-WATT Modular Psu$330.00 to $586.00

This Ultra Products X3 1600-WATT Modular Psu power supply unit provides power of 600 watts, it's fully compatible with ATX.
Manufacturer:Ultra Products Product MPN MPN | ULT40070 | Key Features Wattage | 600 Watt | Number of Fans | Single Fan | Compatibility | ATX | Miscellaneous UPC | 22769400709 |
Tags:ultra, products, x3, 1600-watt, modular, psu,
| Antec BP500U$37.00 to $70.00

This Antec BP500U power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.
Manufacturer:Antec Product MPN MPN | BP500U | Key Features Wattage | 500 Watt | Compatibility | ATX 12V | Power Properties DC Output | +3.3V @ 30A, +5V @ 30A, +5VSB @ 2.5A, +12V @ 18A, +12V (2nd) @ 18A, -12V @ 0.3A | Other Features MTBF | 80000 Hours | Dimensions Width | 5.8 in. | Depth | 5.5 in. | Height | 3.5 in. | Weight | 3.7 lb. | Miscellaneous UPC | 00761345235006 |
Tags:antec, bp500u,
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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.

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

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.