Participate In Sapphire Contest By Hexus.net : Win A SAPPHIRE HD 7970 TOXIC XT2 Worth $400 (Rs 20,000) !!! (Worldwide) [Answer Included]

Hexus.net is giving away a beast of a graphics card.
To enter the competition, you just need to answer a simple question :
What was the codename for the Radeon HD 7900 series?

Dont know the answer?

Dont worry, we are providing you the answer.

How To Participate

Like THIS FB PAGE and answer the question (answer : Tahiti) and follow instructions.