Dell OptiPlex 390 SFF Desktop PC with Intel Core i5-2400 Processor, 8GB Memory, 500GB Hard Drive DVD Wi-Fi and Windows 10 Pro Refurbished Computer - Walmart.com
SOLVED] - Dell OptiPlex 390 DT Fan Upgrades? | Tom's Hardware Forum
Solved: 390, CPU upgrades? - Dell Community
SOLVED] - Dell OptiPlex 390 DT Fan Upgrades? | Tom's Hardware Forum
Refurbished: Dell OptiPlex 390 Desktop Intel Core i3-2100 3.10GHz 8GB RAM 1TB HD DVD-RW Windows 10 64-Bit With HDMI - Newegg.com