Amazon.com: Dell OptiPlex 980 MT/Core i7-860 @ 2.8 GHz/16GB DDR3/500GB HDD/DVD-RW/WINDOWS 7 PRO 64 BIT (Renewed) : Electronics
A hidden gaming pc build for any office. Running R7 3700x, Galax RTX3060, 32gbx2 Crucial Ballistix CL16 3600mhz, Samsung 980 Pro SSD, X570-i Aorus, FSP Dagger Pro 750w : r/gamingpc
Custom Built Gaming Powerhouse PC 5TB 64GB Ram Intel Core i9 Octa-Core CPU | eBay
Dell optiplex 980 to a low budget gaming pc - Cases and Mods - Linus Tech Tips