Machine evidence
EOS M 300-4
Decision context / editorial guidance
Screen the application.
Then qualify the process.
Worth investigating if: your supplier can demonstrate the required alloy, geometry and finished-part specification on the quoted EOS M 300-4 configuration.
Do not buy on this page alone: a published envelope or machine configuration does not establish repeatability, accepted-part cost or local support.
Editorial purchasing guidance, not a verified recommendation for a particular application.
Published geometry / not guaranteed part fit
Front view shows X:Z proportions. Depth Y is stated numerically. Supports and clearance reduce usable space.
Compare this machine →Manufacturer listing reviewed · confirm configuration
At a glance
What is it?
EOS M 300-4 is a current EOS LPBF production system with a 300 × 300 × 435 mm published build space and four 400 W lasers.
How does it print?
Laser powder bed fusion (LPBF): a laser melts thin layers of metal powder to build a part.
When might I consider it?
Consider it when you want an EOS four-laser platform between the smaller M 290 and larger M 400-class build spaces.
What public specs cannot tell you: finished-part speed, cost, quality or fit for your exact application.
New to AM? Start with the 5-minute guide →
Powder bed fusion · laser powder bed fusion (LPBF) · EOS
Availability and review notes
Source review: . Source-specific review dates appear beside each fact.
Published capabilities
| Capability | Source-backed detail |
|---|---|
| EOS M 300-4 build volume | 300 x 300 x 435 mm (including build platform)OEM ↗ · Source reviewed |
| EOS M 300-4 lasers | 4 x 400 W Yb-fiber lasersOEM ↗ · Source reviewed |
More published specifications and source notes
| Published detail | Evidence |
|---|---|
| EOS M 300-4 scan/optics | 4 F-theta lenses; 4 high-speed scanners; scan speed up to 7.0 m/sOEM ↗ · Source reviewed |
| EOS M 300-4 power consumption | max 19.6 kW / typical 16.0 kWOEM ↗ · Source reviewed |
| EOS M 300-4 price | No public retail price found in the reviewed OEM source; current quote required.OEM ↗ · Source reviewed |
| Materials — OEM scope | OEM-listed examples: AlSi10Mg, MP1, IN718, IN625, 17-4PH, 316L, Ti64 and MS1; confirm exact parameter qualification.OEM ↗ · OEM source checked |
| Layer thickness | Material-specific examples: AlSi10Mg 60 µm; IN718 40/80 µm; 316L 40 µm; Ti64 60 µm. Not a universal range.OEM ↗ · OEM source checked |
| Machine dimensions / footprint | 5221 x 2680 x 2340 mm, per OEM machine-dimensions row; installation space is separate.OEM ↗ · OEM source checked |
| Machine weight | Approximately 5500 kg.OEM ↗ · OEM source checked |
| Gas / atmosphere — stated scope | Compressed air supply: 7 bar, 15 m³/h. This does not specify the inert process-gas requirement.OEM ↗ · OEM source checked |
| Manufacturer positioning | EOS presents the four-400 W M 300-4 for industrial serial production.OEM ↗ · OEM source checked |
What still needs a supplier answer
| Purchasing question | Evidence gap |
|---|---|
| All-in delivered machine price | Current quote required |
| Build time for your part | Not verified for your geometry |
| Alloy and parameters | Confirm the exact qualified combination |
| Application fit | Confirm tolerances, finishing, inspection and local support |
Source review dates identify when the cited material was reviewed. A source review is not a performance test; genuine third-party corroboration is identified separately.
Prepare a useful quote request
Send your exact alloy, dimensions, orientation, supports, inspection criteria and finishing route. Ask for usable build space and effective build time for that configuration. Include installation, training, service, software, gas supply and qualification in the delivered quote. Unverified fields on this page can be used as questions to confirm directly with the manufacturer before purchase.