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File:AMD AM3+ CPU Socket-top closed – with AMD Phenom II X4 840 (HDX840WFK42GM) CPU PNr°0379.jpg - Wikimedia Commons
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Amazon.com: AMD Phenom II X4 840 Edition Deneb 3.2 GHz 4x512 KB L2 Cache Socket AM3 95W Quad-Core Processor - Retail HDX840WFGMBOX (Black) : Electronics
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