Dell Optiplex

Reference website:
https://www.dellemc.com/resources/en-us/asset/data-sheets/products/desktops-all-in-ones/optiplex_7070_spec_sheet.pdf?newtab=true

https://www.dellemc.com/resources/en-us/asset/data-sheets/products/desktops-all-in-ones/optiplex_5070_spec_sheet.pdf

https://www.dellemc.com/resources/en-us/asset/data-sheets/products/desktops-all-in-ones/optiplex_3070_spec_sheet.pdf?newtab=true