Cheapest PSU for my computer

Ghost47Killer

Distinguished
Feb 17, 2014
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CPU: Intel Core 2 Duo E8400 3GHz 6M 1333MHz LGA 775
Motherboad: Asus P5P800-VM Motherboard LGA775
RAMM: Kingston KVR13E9/2 DDR3-1333 2GB ECC CL9
Hard Drive: 500GB 8MB SATA2 3.5" Internal Hard Drive

And I'm thinking about put 3 FAN with LED. I dont have much money, but neither I want my computer "burned"

PD: This system will not receive any upgrade!