Tweaknews.net posted Super Talent PC14400 1800Mhz DDR3 2GB Memory Kit
A quote from the article:
Super Talent PC14400 1800Mhz DDR3 2GB Memory Kit Review
The Super Talent PC3-14400 CL7-7-7-21 High-Speed DDR3 1800MHz 2x1GB RAM kit W1800UX2GP is like a fine wine, it's not going to be appeasing to all types of taste pallets. This ram is defiantly tailor made for the high-end enthusiast that wants the fastest memory performance possible. One quick glance at spec sheets, you will find few boards at this time list official 1800MHz support.
Super Talent PC14400 1800Mhz DDR3 2GB Memory Kit Review