5 Things to Know About the Dell OptiPlex 3040 Micro

It uses 6th Gen Skylake processors on LGA 1151 The 3040 Micro supports i3-6100T, i5-6500T, i7-6700T, plus Celeron and Pentium variants.

There is no upgrade path to Kaby Lake Despite sharing the same socket, the motherboard locks you to Skylake only.

It is essentially a smaller version of the 7040 Micro Same generation, same CPU limitations, just a different chassis.

The T-series processors are low-power All supported CPUs are T-series, designed for compact, energy-efficient systems.

Performance is limited to Skylake-era specs You cannot swap in a newer processor, so plan for the hardware you buy upfront.