this cooler fits without any problems whatsoever on K9a2 Platinum.
the only downside is that the first two ram slots are covered with the FAN
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Corsair VX-450W * MSI K9a2 Platinum V2 * Phenom II x3 720
6GB 800MHz Super Talent 4-4-3-8@2.2v * Sapphire 4850 Vapor-X 512MB * Windows 7 x64
