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Dell Optiplex 3020 Desktop Computer, Intel Core i3-4160, 8GB RAM, 500GB HD, DVD-RW, Windows 11, Black (Refurbished) - Walmart.com
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Total Micro Memory for Dell OptiPlex 3020, 7010 (DT, MT), 7020, 9020 - 8GB - A6994446-TM - -
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Restored Dell OptiPlex 3020 Small Form Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 4, 8GB DDR3 RAM, 500GB Hard Disk Drive (HDD) SATA Hard Drive, 24" LCD, Windows 10
4GB Memory Upgrade for Dell Optiplex 3020 DDR3 PC3-12800 1600MHz Non-ECC Desktop DIMM RAM Upgrade (PARTS-QUICK Brand) at Amazon.com
Dell OptiPlex 3020 MT – Specs and upgrade options
Dell OptiPlex 3020-Tower, Core i5-4570 3.2GHz, 8GB RAM, 256GB Solid State Drive, DVDRW, Windows 10 Pro 64bit (Renewed)