Dell Precision 390 workstation goes Core 2, too | Engadget
Solved: 390, CPU upgrades? - Dell Community
PREC390 - Dell Precision Workstation 390 Core 2 Duo 1.86GHz CPU 4GB RA — Tech Network Supply LLC
Install Replace Upgrade Dell Optiplex 390, Video Card - YouTube
Dell OptiPlex 390 Small Form Factor - Intel Core i5 3.1GHz - 4GB RAM - 500GB HDD w/Windows 10P // STI Kansas City
Amazon.com: 400W Power Supply Upgrade for Dell Slimline Optiplex 390 790 7GC81 6MVJH : Electronics
Dell updates Optiplex business desktops and Precision workstations - CNET
Dell Precision 390 Tower Computer - 1.8GHz Core2 Duo - 2GB Memory - Windows 7 Pro-Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
Amazon.com: Dell Optiplex 390 Business High Performance SFF Desktop Computer PC (Intel Quad-Core i5-2400 up to 3.4GHz, 8GB DDR3, 1TB HDD, HDMI, DVD, Windows 10 Pro 64-bit) (Renewed) : Electronics
Support for Precision 390 | Drivers & Downloads | Dell US