What is best monitor for m2 base model Mac mini

Set a number for your budget and then do a search on Amazon for something within that range. There are so many options that you'll find one that works for you. The Mac mini can connect with most any consumer grade monitor on the market. The most straightforward connector will be HDMI, but Thunderbolt/USB is also available and compatible.

Mac mini - Technical Specifications - Apple

Ben121the wrote:

What’s the maximum refresh rate for the Mac mini m2 base model

The refresh rate will very depending on the Display, the type of connection and the quality of cable that is used.

See "Display Support" at > Mac mini (2023) - Technical Specifications - Apple Support

Then for more info see > Connect a display to Mac mini - Apple Support

Anything that connects via HDMI will work.

Only you can decide what is "best" for you.