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Intel Core i5-4570 - Core i5 4th Gen Haswell Quad-Core 3.2 GHz LGA 1150 84W Intel HD Graphics Desktop Processor - BX80646I54570 - Newegg.com
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Amazon.com: Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State, DVDRW, Windows 10 Pro 64bit (Renewed) : Electronics
Is it worth upgrading from an i5 4570 to an i7 4790k, or upgrading the motherboard to support DDR4 RAM and an i5 9400F? - Quora
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Refurbished: Dell OptiPlex 9020 Tower 4th Gen Intel Core i5-4570 3.2GHz 8 GB RAM 512 GB SSD DVD-RW Windows 10 Pro - Newegg.com
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