The EOS M 300-4 is a metal 3D printer from the German company EOS. EOS is one of the oldest 3D printing companies that has been in the 3D printing industry for over 25 years in the field of selective laser sintering and DMLS. The M 300-4 is a metal 3D printer that uses direct metal laser sintering (DMLS) technology.

The EOS M 300-4 has a large footprint of 300 x 300 x 400 mm and a scanning speed of up to 7 meters per second. In addition, the 3D printer weighs 5500 kg and has a laser diameter of 100 μm.