Mac Mini 2010 running Elementary OS. (Mac lookalike)
This Mac Mini has 8gb ddr3 ram and 120gb SSD, Mac super drive DVD player/burner 4xUSB 2.0, SD card reader.
I will include the original 320gb HDD which has OSX High Sierra on it. You can reinstall the drive or use it via USB enclosure (make sure it's USB 2.0 or less) for High Sierra or continue using Linux (which is a far better OS anyway).