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"Page 10 [Benchmarks - Metro 2033]... Two AMD Radeon HD 7970's is going to be the most common CrossFire setup, so we take the time to see how overclocking goes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tweaktown.com/articles/4523/sapphire_hd_7970_3gb_video_cards_in_crossfire_overclocked/index10.html>