Dell Optiplex 390 DT Intel Core i3-2120 3.30GHz 4GB RAM No HDD No OS | eBay
DELL Optiplex 390 DT / Core i3-2120 @ 3.3GHz / 4GB-R / 250 GB HDD / DVD / No OS | eBay
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Dell OptiPlex 390 DT Intel i3-2120 3.30GHz CPU 4GB RAM GPU No HDD No O
Solved: Optiplex 390 DT power supply upgrade? - Dell Community