Elegoo Mars 4 Ultra 9K: Everything You Need to Know

Elegoo Mars 4 Ultra 9K

Elegoo Mars 4 Ultra 9K, a high-resolution MSLA 3D printer designed for detailed work. Discover its features, including the 9K monochrome LCD.

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Delving into the realm of resin 3D printing, the Elegoo Mars 4 Ultra 9K presents itself as a powerhouse of high resolution and precision. This printer is part of Elegoo’s renowned Mars series, which has become a household name among 3D printing enthusiasts for its consistent performance and affordability. The Ultra 9K version pushes the boundaries with its staggering 9K monochrome LCD, promising meticulously detailed prints that satisfy even the most detail-oriented users.

Brand and Technology

Elegoo’s roots in China have not stopped it from making a global impact in the 3D printing industry. The Mars 4 Ultra 9K is a shining example of their innovative spirit, employing Masked Stereolithography Apparatus (MSLA) technology. This is a type of resin-based 3D printing that uses an LCD screen to cure photopolymer resin layer by layer, which is well-suited for intricate models and miniatures that require ultra-fine details.

Elegoo Mars 4 Ultra 9K
Elegoo Mars 4 Ultra 9K


  • Printer: Elegoo Mars 4 Ultra 9K
  • Brand: Elegoo
  • Country: China
  • Link: Elegoo Mars 4 Ultra 9K
  • Technology: MSLA
  • Material: Thermosets
  • Feedstock Format: Resin
  • Build Volume [L]: 1.97
  • W [mm]: 153.36
  • D [mm]: 77.76
  • H [mm]: 165
  • Layer Height Min [mm]: 0.01
  • Layer Height Max [mm]: 0.2
  • Build Chamber: Enclosed
  • Actively Heated Build Chamber: No
  • Active Heated Build Chamber Temperature [°C]: No
  • Air management: Yes
  • Automated Build plate Calibration: No
  • Resolution W [Pixel]: 8520
  • Resolution D [Pixel]: 4320
  • Resolution W [µm]: 18.0
  • Resolution D [µm]: 18.0
  • Projection Technology: Monochrome LCD
  • Wavelength [nm]: 405
  • LPU Lifespan [h]: 2000

FAQs about Elegoo Mars 4 Ultra 9K

What is the significance of the 9K resolution for the Elegoo Mars 4 Ultra 9K?

The 9K resolution refers to the pixel count of the monochrome LCD used in the Mars 4 Ultra 9K. With a resolution of 8520 x 4320 pixels, this printer can achieve extremely fine details, making it perfect for intricate designs and miniatures.

Can the Elegoo Mars 4 Ultra 9K print large objects?

While the Mars 4 Ultra 9K excels at detail, it has a modest build volume of 1.97 liters, making it ideal for smaller, highly detailed objects rather than large prints.

How does air management contribute to the printing process?

Air management in resin printers typically involves maintaining a clean environment inside the build chamber to ensure that the quality of the prints is not affected by external factors such as dust or temperature fluctuations.

Is the Elegoo Mars 4 Ultra 9K suitable for professional use?

Yes, the Elegoo Mars 4 Ultra 9K is highly suitable for professionals who need high-resolution prints with intricate details. Its advanced monochrome LCD technology enables it to produce industry-standard quality prints which are essential for various professional applications.

Does the Elegoo Mars 4 Ultra 9K require a lot of maintenance?

All resin printers require some level of maintenance, such as cleaning the vat and the LCD screen, and replacing the FEP film occasionally. However, the Elegoo Mars 4 Ultra 9K is designed to simplify the maintenance process as much as possible for a better user experience.

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