M 300-4

Reliable DMLS Quality to meet your production needs.

System Data Sheet
Key Features

Highly Productive, Highly Scalable, Ready for Industrial Production

Increase productivity by up to 10x with the incredibly flexible EOS M 300-4.


The EOS M 300-4 enables flexible adaptation to all individual requirements through various degrees of automation, helping to ensure an optimized workflow.

Consistent Quality

The exceptional laser and performance stability ensures consistent part quality over the entire build space, including full coverage of overlaps.


Up to four precision fiber lasers cover the entire 300 x 300 mm area, with full field overlap.

EOS M 300-4 Industrial 3D printer for serial production of metal parts

Technical Data
Technical Data
Build Volume 300 x 300 x 400 mm (11.8 x 11.8 x 15.7 in)
Laser Type Yb-fiber laser; 4 x 400 W
Presicion Optics 4 F-theta-lens(es); 4 High-speed scanner(s)
Scan Speed up to 7.0 m/s (23.0 ft/s)
Focus Diameter approx. 100 µm (0.00394 in)
Power Consumption max. 19.6 kW / typical 16.0 kW
Compressed Air Supply 7 Bar; 15 m³/h (102 psi; 530 ft³/h)
Machine Dimensions 5221 x 2680 x 2340 mm (205.6 x 105.5 x 92.1 in)
Recommended Installation Space min. 8800 x 5200 x 3500 mm (346.5 x 204.7 x 137.8 in)
Weight approx. 5500 kg (12125 lbs)
Materials & Processes

Materials & Processes for EOS M 300-4

EOS metal materials and processes are specially developed for DMLS and undergo strict quality assurance.  Explore below which metal materials and processes are compatible with the EOS M 300-4 and find the right solution for your application.

Get Inspired

Get Inspired

EOS M300-4 System

Industrialization Process

Sucess Story | GKN

Using the EOS M 300-4 system, GKN Additive demonstrates how well leaner additive manufacturing is already happening and what the advantages are with DMLS.

EOS M300-4 3D Printing serial production building process

Scaling with AM


On the latest edition of our Additive Snack podcast, we spoke with John Wilczynski — Executive Director of America Makes — about strategic approaches to increase the adoption of additive manufacturing.

3d printed hip cups

Printing Medical Technology

With 3D printing, the design is driven by functionality and no longer by manufacturability. Whether for manufacturing implants, surgical instruments or complex medical technology products: additive manufacturing empowers you to reimagine the geometry.


Expand Your AM Knowledge & Skills

AM Data Preparation Metal


Optimize production quality and efficiency with our certification data preparation course for metal applications. Learn how to implement metal-specific data preparation best practices, recognize main challenges for your applications and exchange ideas with real AM experts

Support-Free 3D Printing

On-Demand Webinar

Smart Fusion is the latest addition to EOS' commitment to advancing and promoting metal additive manufacturing (AM) through innovative solutions that simplify the process, save costs, and increase productivity.​ ​

Building process from a Metal Machine

10 Most Common Questions

On-Demand Webinar

In this webinar, we address some of the top questions related to industrial metal 3D printing.  Explore how metal additive manufacturing (AM) is transforming industries with design freedom, lighter, stronger parts, and faster production.


Software Solutions that Scale to Your Needs

EOS Build & Build+

CAM software for optimizing and creating build jobs for 3D printing, fullly integrated with Materialise Magics, Siemens NX and other software.

EOS Smart Monitoring

Software for real-time monitoring of 3D printing build jobs and quality assurance at every step of the process.

EOS Data Insights

Production monitoring and automation software makes it possible to take advantage of all your machine and production data in real time.

EOS System Suite

Countless additive manufacturing possibilities - in one customizable software package.

EOS Technical Service

From getting started to sustainable success 

We always focus on your success. From a certified start in the 3D printing process to qualified system maintenance and globally available support with a convenient service portal which provides you with information around your machine and service tickets 24/7.

You’ll find the right service package among the various technical services we offer. Our EOS SystemCare Program is tailored to your specific requirements.

Service Inspection infront of an EOS system