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Dell OptiPlex Models by Year (1996-2023) - Hardware Corner
Dell Model Years — Purdue IT | Distributed Computing | STEM
Optiplex model by year (HWcorner) | DELL Technologies
List of Dell model numbers
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The Golden Age of Dell Computers - PCMag
Our Timeline | Dell USA
30 years of the Dell Latitude – from impressive battery-powered ...
Dell OptiPlex – Models, Upgrade Guides, Specs - Hardware Corner