Dell 0KXRX - 95W CPU Cooling Fan Heatsink Assembly for Dell Optiplex 790 990 390 9010 7010 9020 3010 - CPU Medics
Amazon.com: Dell Optiplex 390 Desktop PC - Intel Core i3-2120 3.3GHz 8GB 1.0TB DVDRW Windows 10 Pro (Renewed) : Electronics
CPU-390I Water Block, Acrylic Top (Intel Processor)
Restored Dell Optiplex 390-D WA1-0299 Desktop PC with Intel Core i5-2400 Processor, 4GB Memory, 1TB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
Dell OptiPlex 390 MT Intel Core i5-2310 2.90GHz CPU 4GB RAM No HDD No
CPU-390I Water Block, Acrylic Top (Intel Processor)