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HIS Radeon R9 280, 285, 280X, 290X IceQ X2 - Overview @@ HIS Radeon R9 285 IceQ X² OC of 19 - VideoCardz.com
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AMD Radeon R9 280X Video Card Review w/ ASUS, XFX and MSI - Legit Reviews
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AMD Radeon R9 280 Review feat. XFX | bit-tech.net
