Gigabyte GTX 660Ti OC Video Card Review

There are six screws holding the Windforce cooler in place making it rather easy to remove.  With the cooler removed you can clearly see the tiny GTX 660Ti GPU surrounded by memory chips in the typical ring configuration.  

As was mentioned before the PWM cooler is physically attached to the Windforce heatsink allowing the PWM to take advantage of the large heatpipe arrays.  You will find the PWM located near the video connectors and is comprised of a 6 phase mosfet and screw holes to ensure a good connection with the cooler.

We all know that cooling performance is dictated by the power of the GPU and size of the heatsink.  The Gigabyte GV-66TOC-2GD comes with a smaller version of the WIndforce design featuring larger cooling fans and three part heatsink design.

Each of the satellite coolers is connected by two large copper heatpipes centered over the GPU with a small copper contact patch.  The design lends itself well to working with low powered GPUs but lacks the surface area needed for any serious overclocking. 

Dual 6pin PCI Express power connections are required to run the GTX 660Ti and for once if you forget to hook them up you'll get a pleasant warning message instructing you that the card is operating in low power mode and that you should connect the power leads before continuing.