StarTech.com ATX2POW500HS$55.00 to $94.00

This StarTech.com (ATX2POW500HS) power supply unit provides power of 500 watts, it's fully compatible with ATX 12V.
Manufacturer:StarTech.com Product MPN MPN | ATX2POW500HS | Key Features Wattage | 500 Watt | Number of Fans | Single Fan | Compatibility | ATX 12V | Miscellaneous UPC | 65030819602 |
Tags:startech.com, atx2pow500hs,
| Coolmax V-500$19.00 to $28.00

Built with quality components especially designed to offer extra long life and provide maximum system performance, this Coolmax power supply features over voltage, over power and short circuit protection and is compatible with all leading processors including Pentium 4, AMD Athlon XP and Pentium III. Includes built-in EMI filter for exceptionally low ripple noise.Minimize
Manufacturer:Coolmax Product MPN MPN | V-500 | Key Features Wattage | 500 Watt | Number of Fans | Single Fan | Compatibility | ATX | Power Properties DC Output | +3.3V @ 30A, +5V @ 45A, +5VSB @ 2.5A, +12V @ 18A, +12V (2nd) @ 16A, -12V @ 1A | Other Features MTBF | 100000 Hours | Dimensions Width | 5.91 in. | Depth | 5.51 in. | Height | 3.35 in. | Miscellaneous UPC | 895963146212 |
Tags:coolmax, v-500,
| Cisco PWR-C45-4200ACV$1,260.00 to $3,222.00

The Catalyst 4500 Series Dual Input AC Power Supply supports data and PoE, is designed to accept either 100V AC circuits or 200V AC circuits. The 4200W supply is the largest internal AC power supply available for the Catalyst 4500 series switch. Customer planning large scale PoE deployments can use the dual inputs in the 200V AC configuration. Customers planning for the future can deploy the 4200W power supply with a single 100V circuit.Minimize
Manufacturer:Cisco Product MPN MPN | PWR-C45-4200ACV= | Key Features Wattage | 200 Watt | Miscellaneous UPC | 0882658008566 |
Tags:cisco, pwr-c45-4200acv,
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This Thermaltake (W0317RU) power supply unit provides power of 700 watts, it's fully compatible with ATX.

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

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 HP ProCurve 600 Redundant and External Power Supply provides 12V RPS for up to 6 stackable switches and 2 ports with 370W 50V PoE.