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iMac "Core i5" 2.5 21.5" (Mid-2011) Specs (Mid-2011, MC309LL/A, iMac12,1, A1311, 2428): EveryMac.com
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Apple iMac 21.5-inch MC309LL/A Mid 2011 Silver - Intel Core i5-2400S 2.5Ghz - 4GB RAM - 500GB HDD (Scratch and Dent) - Walmart.com
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