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iMac "Core i5" 2.7 21.5" (Mid-2011) Specs (Mid-2011, MC812LL/A, iMac12,1, A1311, 2428): EveryMac.com
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Amazon.com: Apple iMac Mc813ll/a Mid-2011 27" Silver, I5-2500s 2.7ghz (20GB, 2TB HDD) (Renewed) : Electronics
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Used Grade A Apple iMac 27" Core i5-2500S Quad-Core 2.7GHz All-In-One Computer - 4GB 1TB DVD±RW Radeon HD 6770M (Mid 2011) MC813LL/A - Walmart.com
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