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AMD Phenom II X2 550 Black Edition - Phenom II X2 Callisto Dual-Core 3.1 GHz Socket AM3 80W Processor - HDZ550WFGIBOX - Newegg.com
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Overclocking, Power consumption & Conclusion - AMD Phenom II X2 550 Black Edition CPU Review - Page 12
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AMD Phenom II X2 550 (HDZ550WFK2DGI) Processor 3.1GHz 4000MHz Socket AM3 CPU 80W 730143276016 | eBay
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Phenom II X2 550 Black Edition Performance Review (Benchmarks, Games, Overclocking, Power Draw) - YouTube
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