The Corsair CrossFire Ready 650W power supply (model no. CMPSU-650TX) is on sale at Newegg.com for $99.99, with a mail in-rebate that drops the price even more to $79.99. This makes it $80 less than its original price of $159.99 and the lowest cost we have seen for this power supply by about $10. FREE shipping is included and sales tax applies for residents of California, New Jersey, New York and Tennessee.

Kick it up a notch with the Antec TruePower 750W CorssFire Ready power supply also available at Newegg.com and priced at $119.99 with FREE shipping included. Even though the Antec provides more power it does have a few flaws, a major one being the connector cord coming up too short, which can be rectified through an extension but has hurt this products customer rating. One power supply that not only delivers a high amount of power but also has good performance ratings is the Corsair 1000W HX Series power supply. Located at Buy.com for only $239, it also comes with a mail-in rebate that drops the product down to $219 and has FREE shipping included. One item that is often purchased along with power supplies is the Intel Core i7 920 2.66GHz processor, its being offered at Amazon.com for a discounted price of $279.99 and has shipping rates starting at $6.49.

The Corsair CrossFire Ready 650W power supply has a thermally controlled 120mm double ball-bearing fan which enhances airflow and allows for 80% energy efficiency. It comes with a universal AC input that automatically scans and detects the necessary voltage output, and a dedicated single +12V rail for compatibility with the latest components. Included is 8x SATA, 2x floppy, 2x PCI-E and 8x Peripheral connectors, along with one 20+4pin main connector. Input voltage sits at 100-240V while output is +3.3V, +5V, +12V, -12V, and +5VSB. It is backed by a five year warranty through the manufacturer. Dimensions: (W) 5.9” x (H) 3.4” x (L) 5.9”.