PureOverclock published a review on the Patriot Viper 4GB DDR3-2000 memory kit
A quote from the article:
>> Patriot Viper DDR3-2000 Review
Today we're looking at Patriot's big green flagship monsters.codename Viper series. Tapping into the realm of extreme gear, Patriot has high performance memory modules that are rated at 2000MHz, virtually the fastest memory speeds to date. What's interesting about these modules, however, is that these Patriot sticks sport some "Nvidia Green" theming and are specifically designed for the 790i Ultra Nvidia chipset (though they are certainly compatible with other motherboards).
>> Patriot Viper DDR3-2000 Review