The i5-6600K processor is 91w and will require a taller heatsink cooler, which does not physically fit into a small form factor (SFF) machine.
Can I upgrade the Dell Optiplex 3040 SFF CPU from Intel i3-6100 to an Intel i7-6700K? I couldn't find an answer on Google.
Optiplex 3040 SFF, CPU upgrades?