250w PSU also confirms it's a DT. A 120w GTX 1060 requiring a 6-pin connection can not run off the 250w PSU. A few safe options for 250w PSU: [IMAGE] Google your games' (or other apps if need be) recommended (not minimum) requirements if you don't have that already.  Choose the card that best meets your needs within Dell's specs.
hello, i wanna know the best gpu upgrade for my 3010 Micro-ATX, Specs :CPU :I5 3340 RAM: 8 GB (2X4) GPU: -  MOBO:Optiplex 3010 Micro-ATX - model-042P49 PSU 250W High  
HELP! - OptiPlex 3010 - Micro-ATX - Intel(R) Core(TM) i5-3470