Mira yo estoy en lo mismo que vos casi, pero yo necesito como mínimo una fuente de 500w REALES porque normalmente las que venden acá en el país son de 300 - 350w reales, pero bueno, te diré como lo voy a solucionar, definitivamente tenes que comprarla afuera del país, una así digamos:
Thermaltake / ToughPower / 750-Watt / ATX / 140mm Fan / SATA Ready / SLI Ready / PFC/EPS / Power SupplyThermaltake Toughpower 750-Watt Power Supply.
For today’s powerhouse systems you need a power supply that’s tough enough to handle the most extreme components. That’s why Thermaltake has created its amazing new Toughpower series power supplies. The Toughpower PS delivers the highest rated, most reliable power in the industry, along state-of-the-art cooling systems for optimum performance and efficiency. This 750-Watt Toughpower power supply offers 12V combined output 48A, AMD/Intel Dual Core support. ATX 12V 2.2, EPS 12V, two PCI Express connectors, six SATA connectors. And it’s SLI and Cross-Fire ready! Thermaltake Toughpower. Tough atomic energy…built for the extreme.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2212309&Sku=T925-2232o
ThermalTake / PurePower W0129RU / 600-Watt / ATX 2.2 / 120mm Fan / SATA-Ready / PCI-E Ready / Active PFC / Power SupplyThermalTake PurePower 600-Watt PSU
The high-performance solution for your hardware power needs. This Thermaltake Purepower 600-watt power supply combines the industry's best cooling architecture with ThermalTakes's engineering and design ingenuity to provide the most reliable power source for your valuable hardware. The PurePower 600-watt power supply offers the most stable current and the best cooling technology. The perfect power source for a wide variety of hardware. This ThermalTake PurePower power supply will keep your electronic equipment running smoothly and safely for years to come.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2932372&CatId=1483