EOS M 290 1kW

$1,000,000 - $1,200,000 Updated 2026-03-17

Key Specifications

build volume

250 x 250 x 325* mm (9.8 x 9.8 x 12.8 in)

laser type

Yb-fiber laser; 1 x 1000 W

laser power

1,000 W

number of lasers

scan speed

up to 7.0 m/s (23.0 ft/s)

focus diameter

approx. 90 µm (0.00354 in)

Overview

The EOS M 290 1kW is a purpose-built evolution of EOS's best-selling M 290 platform, replacing the standard 400 W laser with a 1,000 W Yb-fiber laser system. The upgrade was driven specifically by the industrial demand for high-conductivity metal printing — primarily pure copper and copper alloys — where lower-power lasers struggle to achieve sufficient energy density for full melting. The result is a machine that can run EOS CopperAlloy CuCr1Zr and similar alloys at production throughput, making it uniquely valuable for heat exchangers, RF components, induction coils, and rocket combustion chambers.

The build volume retains the proven 250 x 250 x 325 mm envelope of the standard M 290, ensuring that all downstream post-processing tooling, build plate fixtures, and support removal workflows transfer directly. The 1 kW laser operates with a beam focus diameter configurable in the 80–130 µm range, allowing operators to trade resolution for build rate depending on the application. Layer thicknesses from 20 to 100 µm are supported, and EOS has qualified multi-layer parameter sets specifically for the thermal behavior of copper under high power.

Beyond copper, the 1 kW platform also processes aluminum alloys, titanium, and stainless steel faster than the 400 W variant due to the additional energy headroom. Aerospace and defense manufacturers have adopted the M 290 1kW for high-conductivity structural components where both thermal management and geometric complexity are required simultaneously. The EOSTATE process monitoring suite carries over in full, providing melt pool imaging and powder bed documentation for process qualification records.

Pricing for the M 290 1kW runs at a premium over the standard M 290, typically in the $1,000,000–$1,200,000 range depending on configuration and options. It is the correct choice when copper or high-productivity aluminum processing is the primary workload; for general-purpose titanium and Inconel work, the standard M 290 or the M 300-1 may be more cost-effective. EOS sells the 1kW variant through its direct sales force with the same global service infrastructure as the broader M-series line.

Full Specifications

Parameter	Value
Build Volume	250 x 250 x 325* mm (9.8 x 9.8 x 12.8 in)
Laser Type	Yb-fiber laser; 1 x 1000 W
Laser Power	1,000 W
Number Of Lasers	1
Scan Speed	up to 7.0 m/s (23.0 ft/s)
Focus Diameter	approx. 90 µm (0.00354 in)
Layer Thickness	20 – 100 µm (material dependent)
Build Rate	Up to 20 cm³/h (copper alloy)
Technology	Direct Metal Laser Sintering (DMLS / LPBF)
Materials	Copper (CuCr1Zr), Aluminum, Titanium, Stainless Steel, Inconel
Inert Gas	Nitrogen or Argon
Power Consumption Max	10 kW
Machine Dimensions	2500 x 1300 x 2190 mm (98.4 x 51.2 x 86.2 in)
Software	EOSPRINT 2, EOSTATE monitoring suite
CNC Control	EOS proprietary
Presicion Optics	1 F-theta-lens(es); 1 High-speed scanner(s)
Power Supply	1 x 32 A
Power Consumption	max. 8.5 kW / typical 2.4 kW
Compressed Air Supply	7 Bar; 27.8 m³/h (102 psi; 982 ft³/h)
Recommended Installation Space	min. 4800 x 3600 x 2900 mm (189.0 x 141.7 x 114.2 in)
Machine Weight	approx. 1250 kg (2756 lbs)

Specifications sourced from eos.info — verified 2026-03-28

Strengths & Limitations

Strengths

1,000 W laser enables full-density copper and copper alloy printing that 400 W systems cannot achieve
Shared build envelope and tooling with the standard M 290 minimizes re-tooling cost when upgrading
Configurable focus diameter (80–130 µm) lets operators balance resolution versus throughput for each job
EOSTATE process monitoring suite provides complete melt pool and powder bed traceability for AS9100 and aerospace qualification
EOS global service network covers commissioning, maintenance, and materials support in all major manufacturing regions

Limitations

Premium pricing ($1M–$1.2M) over the standard M 290 is only justified when copper or high-productivity aluminum is the primary material
Single 1 kW laser still trails quad-laser systems in raw throughput for standard alloys like Inconel and titanium
Higher laser power increases thermal stress risks on thin-wall features without careful parameter tuning

Best For

Aerospace and defense manufacturers printing pure copper and CuCr1Zr heat exchangers and combustion chambers RF and microwave component producers requiring high-conductivity waveguides and antenna structures Industrial induction coil manufacturers needing complex internal cooling channels in copper alloy Shops upgrading from a standard M 290 who need copper capability without changing downstream post-processing workflows

Frequently Asked Questions

01 What is the main difference between the EOS M 290 and the EOS M 290 1kW?

The primary difference is laser power: 400 W versus 1,000 W. The 1 kW variant was developed specifically to enable full-density printing of pure copper and copper alloys such as CuCr1Zr, which require very high energy density. The build volume, footprint, and software are identical, making the upgrade path straightforward for existing M 290 users.

02 Can the EOS M 290 1kW print titanium and Inconel?

Yes. The M 290 1kW processes titanium (Ti6Al4V), Inconel 718/625, aluminum, and stainless steel in addition to copper alloys. For standard alloys, the 1 kW laser allows faster scan speeds and thicker layers, increasing throughput compared to the 400 W variant. However, the cost premium is only fully justified when copper alloys are a primary workload.

03 What copper materials are qualified for the EOS M 290 1kW?

EOS has qualified parameters for CopperAlloy CuCr1Zr, a precipitation-hardened copper alloy widely used in aerospace thermal management and electrical components. EOS also supports pure copper processing (Cu-ETP) with the 1 kW platform. Third-party copper alloy powders can be qualified using EOS's open parameter development process.

04 What facility requirements does the M 290 1kW have compared to the standard M 290?

The M 290 1kW has slightly higher maximum power consumption (approximately 10 kW vs. 8.5 kW) and may require upgraded electrical service in some facilities. All other facility requirements — footprint, gas supply, ventilation, and powder handling — are essentially identical to the standard M 290.

05 Is the EOS M 290 1kW suitable for dental and medical applications?

The M 290 1kW can process cobalt chrome and titanium for medical applications, but the standard M 290 or M 300-1 are typically preferred for dental and medical implant work because the 400 W laser provides finer control at smaller feature scales. The 1 kW variant is optimized for higher-productivity and copper-specific industrial applications rather than fine-feature medical parts.