- Enthusiasts looking for the optimal in price performance PSU technology will find the Corsair TX series of PSUs will meet even the most demanding of required specifications. The Corsair TX850W power supplies are engineered using advanced technology and components typically found with high performance power supplies. With design features such as a dedicated, single +12V rail, the TX series offers the maximum compatibility with the latest system components. Energy efficient circuitry capable of delivering greater than 80% efficiency ratings across 20%, 50%, and 100% load conditions make the TX family of PSUs ideal for the value/quality conscious enthusiast. With a large 140mm on TX850W diameter temperature-controlled fan that is ultra quiet, yet still more than sufficient to cool the internals of the system, reliability and stability are no longer worries for the gamer, overclocker or enthusiast and high-end system builder. Each Corsair TX power supply is backed with an industry-leading 5-year warranty and 24/7 on-demand customer service.
Amazon.com: Corsair CMPSU-850TX 850-Watt TX Series 80 Plus Certified Power Supply: Electronics
MIR is $30
Corsair CMPSU-850TX 850-Watt TX Series 80 Power Supply $97.97 after MIR at amazon 
