Apple Mac Pro A1289 MacPro5,1 (Mid 2010/Westmere) Twelve Core Intel Xeon 2x: X5650 @ 2.66GHz / 64GB DDR3 SDRAM / 1TB Seagate ST1000DM003 HDD / OS X Mountain Lion / ATI Radeon HD 5770
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Apple Mac Pro A1186 Workstation 2 X Intel Xeon 2.66ghz 2gb RAM 250gb HDD No OS for sale online | eBay
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Mac Pro "Twelve Core" 2.66 (2012/Westmere) Specs (Mid-2012, BTO/CTO, MacPro5,1, A1289, 2629): EveryMac.com
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Mac Pro "Quad Core" 2.66 (Original) Specs (Mac Pro, MA356LL/A, MacPro1,1*, A1186, 2113): EveryMac.com
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