Elcomsoft Wireless Security Auditor
ElcomSoft has pioneered many software innovations that have made it easier to recover passwords protecting various types of resources. For the first time in the industry, the company's patent-pending GPU acceleration makes its way into Wi-Fi password recovery, reducing the time required to recover Wi-Fi passwords up to a hundred times.
Supporting up to four NVIDIA boards such as GeForce 8, 9, and 200, as well as ATI video cards such as RADEON HD 4000 Series and up, Elcomsoft Wireless Security Auditor allows building servers with supercomputer performance at a fraction of the price.
WSA performance is strong because of the massive clock speeds we've got. It's a pity we're not able to make use of SLI here, though.