SOLVED] - Dell OptiPlex 390 DT Fan Upgrades? | Tom's Hardware Forum
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
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
Solved: 390, CPU upgrades? - Dell Community
Dell Optiplex 390 Windows 10 Pro Desktop PC Tower Core i3 3.1GHz Processor 8GB RAM 1TB Hard Drive DVD-RW Wifi with a 19" LCD-Refurbished Computer - Walmart.com
i7 Dell Optiplex 390 CPU Desktop, Computers & Tech, Desktops on Carousell
Solved: 390, CPU upgrade - Dell Community
Inspiron 620, 2nd gen i7-2600 upgrade? - Dell Community
OptiPlex 390 Desktop (DT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink Processor and Coin Cell Battery | Dell US
Dell Optiplex 390 - What's my upgrade path? : r/buildapc