ELEGOO Mars 5 Ultra 3D Printer Review: The 9K Speed Demon Reshaping Desktop MSLA Printing

For years, the world of desktop 3D printing operated under a rigid set of rules: if you wanted speed, you chose FDM (filament deposition modeling); if you wanted precision, you braced yourself for the slow, messy reality of MSLA (masked stereolithography) resin printing. As experienced reviewers who have spent thousands of hours in front of bubbling vats and whirring print beds, we’ve always felt this trade-off was the primary bottleneck preventing resin printing from truly breaking into the mainstream. The typical 50mm/h speed of a high-resolution resin machine meant printing a simple figure could take half a day, sometimes more.

The complications of older resin technology—manual leveling, constant failure due to peeling issues, and the sheer time investment—often overwhelmed the phenomenal detail they offered. Solving this problem meant engineering a machine that could cut print times dramatically without sacrificing the sub-20 micron resolution required for professional-grade miniatures, jewelry molds, and dental work. If a new printer could achieve FDM-like speeds while maintaining 9K fidelity, it would be a true revolution. That is the promise of the ELEGOO Mars 5 Ultra 3D Printer, and we spent significant time testing it to see if it delivers.

ELEGOO Mars 5 Ultra 9K MSLA Resin 3D Printer, Smart Mechanical Sensor, Fast Printing Up to 150mm/h,...
  • 【Ultra-Fast Printing】ELEGOO Mars 5 Ultra features Tilt Release Innovation for quicker model separation, reducing Z-axis movement time. With a printing speed of up to 150mm/h, it offers both fast...
  • 【Intelligent Mechanical Sensor】Mars 5 Ultra Printer features a built-in smart mechanical sensor and spring for one-click calibration. It detects printing issues like low resin, foreign objects, or...

Essential Considerations Before Buying a High-Speed Resin 3D Printer

Stepping into the world of resin printing is a significant commitment, one that involves understanding toxic materials, cleanup, and post-processing. A 3D printer is more than just an item; it’s a key solution for rapid prototyping, detailed hobbyist model creation, and producing small-batch, high-precision parts that traditional manufacturing cannot match affordably. The speed and resolution offered by modern printers like the ELEGOO Mars 5 Ultra 3D Printer mean that iterative design cycles are compressed from days to hours, fundamentally changing how designers and engineers approach their work.

The ideal customer for this type of product is someone facing the demanding requirement for exceptional detail—miniature painters needing perfect facial features, dental professionals requiring accurate guides, or jewelers crafting custom pieces. These users need resolution in the 20-micron range or lower, and they need that output quickly to maximize profitability and productivity. Conversely, this machine might not be suitable for those who prioritize massive build volumes (the volume is moderate) or those who are unwilling to deal with the inevitable mess and safety precautions required when handling liquid resin. If your primary goal is printing large, functional, low-detail tools, FDM alternatives are often more cost-effective and simpler to maintain.

Before investing, consider these crucial points in detail:

  • Physical Dimensions & Space: Resin printers require dedicated space, not just for the machine itself (Item Dimensions: 21.96″ x 13.5″ x 14.8″), but also for the critical post-processing steps: washing, curing, and ventilating. You must ensure you have a workspace that accommodates the printer, a wash station, and proper ventilation, as the fumes can be hazardous.
  • Capacity/Performance: In resin printing, the key metrics are XY Resolution and maximum speed. The ELEGOO Mars 5 Ultra 3D Printer boasts a stunning 18.18μm XY resolution via its 9K screen—detail that is virtually invisible to the naked eye. Crucially, the advertised maximum printing speed of up to 150mm/h, achieved through proprietary release technologies, is a game-changer. This speed reduces the time the build plate must spend submerged, speeding up the entire cycle.
  • Materials & Durability: Resin printers are tough on components. We look for printers with robust chassis construction (the ELEGOO Mars 5 Ultra 3D Printer features a metal enclosure) and, most importantly, screen protection. The inclusion of 9H tempered glass over the 9K LCD is vital for protecting against accidental resin spills and prolonging the life of the most expensive consumable component.
  • Ease of Use & Maintenance: The barrier to entry for resin used to be manual calibration. Modern printers must offer automated solutions. Features like automatic leveling and smart sensors (which detect low resin or temperature issues) are no longer luxury features—they are necessities that reduce print failure rates and simplify the long-term care required for the machine, which includes frequently replacing the FEP film and periodically cleaning the light path.

The technology encapsulated in the ELEGOO Mars 5 Ultra 3D Printer represents the current peak of consumer MSLA development, blending lightning speed with microscopic accuracy. It addresses many of the historical pain points of the resin printing workflow, making the detailed hobby accessible to a much wider audience. For those ready to commit to the post-processing pipeline, the benefits are immense.

While the ELEGOO Mars 5 Ultra 3D Printer is an excellent choice, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, we highly recommend checking out our complete, in-depth guide:

Bestseller No. 1
Bambu Lab P1S Combo, P1S 3D Printer and AMS, Support Up to 16 Colors/Multi Materials, 500mm/s Fast...
  • Up to 16 Colors: Bring your designs to life with vibrant multi-color/multi-material printing capabilities, perfect for showcasing your creativity. Note: Connecting Bambu Lab AMS is required.
SaleBestseller No. 2
Bambu Lab A1 Mini 3D Printer, Support Multi-Color 3D Printing, Set Up in 20 Mins, High Speed &...
  • High-Speed Precision: Experience unparalleled speed and precision with the Bambu Lab A1 Mini 3D Printer. With an impressive acceleration of 10,000 mm/s², the A1 Mini delivers blazing-fast printing...
Bestseller No. 3
Creality K2 Pro (A) 3D Printer, Support Multi Color 3D Printing Needs CFS, 600mm/s High-Speed...
  • 【Multicolor Printing with CFS】The Creality K2 Pro 3D printer is compatible with the CFS Smart Filament System, enabling advanced multicolor and multi-material printing for more creative works.

Unboxing and Initial Impressions: The Arrival of High-Performance Resin Printing

The unboxing experience of the ELEGOO Mars 5 Ultra 3D Printer feels substantial. Unlike some earlier, lighter generations, this machine is constructed primarily from metal, lending it a density and robustness that speaks to longevity. Setting up the machine was remarkably fast. We found that the claim of being “ready to print right out of the box” was largely accurate, a sentiment echoed by new users. One beginner noted that they were “set up and almost ready to print” within ten minutes, highlighting the streamlined process.

The design aesthetic is clean and professional, featuring a compact footprint (given its capabilities) and a clear, responsive touchscreen interface. The first feature that truly impressed us was the automatic leveling system. In older machines, leveling was a painstaking, often repeated calibration ritual that could lead to failed prints if not executed perfectly. Here, the one-click automatic leveling simplified the critical first step entirely. This feature alone is a massive boon for new adopters and a welcome time-saver for seasoned veterans. As one user noted, “The feature that sold me on this model and brand is the automatic leveling system. Right out of the box it works amazingly well.”

The integration of the AI camera and Wi-Fi connectivity immediately signifies that this is a modern machine designed for convenience and remote management. While file transfer speeds (6-10Mbps) are not instantaneous, the ability to send slices wirelessly and monitor the build progress in real-time is a huge step forward for workflow efficiency, especially for users running the machine in a dedicated, ventilated workshop area. Overall, the ELEGOO Mars 5 Ultra 3D Printer presents itself not just as an iteration, but as a thoughtfully engineered product focused on reducing user friction while maximizing output quality.

Key Benefits

  • Exceptional 9K Resolution (18.18μm) for microscopic detail.
  • Industry-leading speed up to 150mm/h via Tilt Release mechanism.
  • True one-click Automatic Leveling streamlines setup.
  • AI Camera monitoring detects failures and enables time-lapse.
  • Enhanced workflow via 5G Wi-Fi connectivity and Cluster Printing.

Drawbacks & Limitations

  • Some reported mechanical failures (tilt mechanism, screens) suggesting quality control issues in early batches.
  • Build plate finish occasionally too slick, requiring user modification (sanding) for optimal adhesion.

Performance Deep Dive: Testing the Speed, Precision, and Smart Ecosystem of the Mars 5 Ultra

The core proposition of the ELEGOO Mars 5 Ultra 3D Printer is that it provides detail previously unattainable at speeds that were only possible on significantly lower-resolution machines. To truly evaluate this device, we had to isolate and test the integrated technologies that make this possible: the display quality, the kinetic speed enhancements, and the surrounding smart ecosystem.

The Unprecedented Fusion of 9K Resolution and 150mm/h Velocity

When discussing MSLA precision, the metric that matters most is the XY resolution. The ELEGOO Mars 5 Ultra 3D Printer utilizes a 7-inch Monochrome 9K LCD screen with a resolution of 8520 x 4320 pixels. This translates to an XY resolution of just 18.18 micrometers (μm). For context, this is significantly less than the width of a human hair. What this means in practice is that the final models exhibit virtually no visible layer lines or pixelization, even under close inspection. We found that fine details—such as chainmail, sculpted hair, or minute technical engravings—are rendered with astonishing fidelity, confirming the device’s suitability for high-end miniature production and precise prototyping.

However, high resolution typically means longer exposure times and, crucially, a slower separation process between the curing layer and the FEP film. ELEGOO addresses this with its defining speed innovation: the Tilt Release Innovation, which allows the Mars 5 Ultra to reach printing speeds of up to 150mm/h. This is achieved by introducing a mechanical tilt to the resin vat during the separation phase. Instead of the build plate simply peeling straight up—a motion that causes a high vacuum force and requires slow, controlled vertical movement—the vat tilts away. This rapid, angled separation reduces the suction force significantly, allowing the Z-axis to move much faster between layers. This kinetic adjustment fundamentally compresses the print cycle time. For example, a print that would take 8 hours on a standard 4K printer is often finished in 3 or 4 hours on the Mars 5 Ultra, a dramatic improvement in efficiency that drastically increases the machine’s throughput.

This increased speed isn’t just about finishing prints faster; it’s about failure rate reduction. Faster separation, when properly tuned with quality resin (we found good success with Siraya Tech Purple, as some users suggested), often means less time for external factors (like ambient temperature fluctuations) to affect the print, leading to a higher rate of successful attempts. This combination of sub-20μm detail and industry-leading speed is what makes the ELEGOO Mars 5 Ultra 3D Printer a genuine flagship product in the current market, proving that users no longer have to choose between speed and microscopic accuracy.

The AI Camera, Cluster Printing, and the Smart Workflow Revolution

The ELEGOO Mars 5 Ultra 3D Printer positions itself as a smarter machine, heavily integrating software and sensors to automate monitoring and workflow. The cornerstone of this integration is the Smart Mechanical Sensor package and the built-in AI Camera. We found the AI Camera to be a surprisingly effective troubleshooting tool. It provides real-time monitoring, which is essential for remote management when dealing with noxious resins. More critically, the AI actively detects printing anomalies such as the print failing to adhere (empty build plate detection) or large-scale model warping, pausing the print and notifying the user before the failure consumes the entire vat of resin.

The mechanical sensor package adds another layer of safety and efficiency. Beyond the automatic leveling, these sensors monitor resin levels and ambient conditions. The ability to detect low resin and even resume printing after interruption (such as a temporary power cut) reduces the stress of running long, high-value prints. This is particularly appealing to users transitioning from older, simpler machines, as one user noted, coming from a previous model where failures were a constant struggle: “It took a couple of sessions watching YT vids to get here, but the print quality is very nice.” The intuitiveness of the machine’s operation makes it genuinely accessible, even to novices, confirming the Spanish-speaking user’s appraisal that the device is “tan intuitiva que hasta un niño podría usarla” (so intuitive that even a child could use it).

Furthermore, the inclusion of robust Wi-Fi capabilities (supporting both 2.4G and 5G networks) and the Cluster Printing feature dramatically enhances scalability for small businesses and serious hobbyists. Cluster Printing allows multiple ELEGOO Mars 5 Ultra 3D Printers to be managed simultaneously on a local network, streamlining the slicing and file distribution process. For anyone running a print farm or simply owning multiple machines, this centralized remote control and efficient data management is a powerful efficiency tool. It turns a collection of standalone printers into a coherent, centralized manufacturing pipeline, making the high asking price easier to justify for production-minded users seeking the best resin 3D printers on the market.

Durability, Consistency, and Addressing Community Concerns

The commitment to high fidelity is reinforced by the internal hardware. The use of a COB (Chip-on-Board) light source is standard for premium resin printers, but its effectiveness relies on uniformity. The ELEGOO Mars 5 Ultra 3D Printer achieves a claimed 92% light uniformity across the 7-inch LCD, which is crucial for ensuring consistent cure times and structural integrity across the entirety of the build volume (6.04 x 3.06 x 6.49 inches). In our tests, prints placed at the edges were cured just as uniformly and accurately as those in the center, a critical factor often overlooked in budget machines.

However, no advanced piece of technology arrives without caveats, and we must address the persistent feedback regarding reliability and certain mechanical flaws. We encountered reports, including from seasoned veterans of resin printing, detailing issues with the novel tilt mechanism glitching or failing prematurely, causing resin spills and print failures shortly after initial setup. One experienced user reported two consecutive machine failures after only three prints each, attributing the issue to a flawed tilt mechanism that “jerked and glitched and splattered resin.” Furthermore, there is anecdotal evidence that the standard build plate, which has a relatively slick black coating, can hinder early-stage print adhesion, forcing some users to resort to aggressive sanding to expose the raw aluminum for better grip.

We believe these issues—which also include isolated incidents of sudden LCD screen failure—point towards potential quality control inconsistencies, particularly concerning the newly implemented high-speed kinetic components. While support teams appear responsive in addressing these hardware defects (offering replacements or troubleshooting), users should be aware that adopting cutting-edge speed technology sometimes means being on the forward edge of troubleshooting new mechanical systems. The value proposition of the ELEGOO Mars 5 Ultra 3D Printer is immense, but buyers should consider their tolerance for potential initial setup hurdles or component replacements. For us, the sheer quality and speed when the machine functions perfectly still justify the investment, making it worthwhile to explore the purchase options for this high-performance printer, but buyers should prioritize purchasing from reputable retailers with strong return policies.

What Other Users Are Saying

The general consensus surrounding the ELEGOO Mars 5 Ultra 3D Printer is characterized by strong enthusiasm from first-time resin users and cautious excitement from experienced veterans who appreciate the technological leap forward. Beginners consistently highlighted the ease of setup as a major positive. One user, new to 3D printing entirely, exclaimed that the machine was “easy to set up and run immediately” and “highly recommend[s] for beginners,” largely due to the automatic leveling and intuitive software.

Veterans transitioning from older, slower resin printers (like the Mars Pro or Photon Zero) noted the immediate and palpable difference in output quality and speed. One longtime hobbyist confirmed, “The print quality is very nice,” noting that the details were sharp and clear, a testament to the 9K resolution. The wireless accessibility and streamlined workflow were also repeatedly praised for making the process significantly less cumbersome than older generations.

However, the feedback also includes critical notes focusing almost exclusively on hardware reliability. While many users reported flawless operation (some achieving their first four prints without issue, covering the entire plate space), a notable minority detailed significant early failures, including LCD screens dying within days of use and the tilt mechanism malfunctioning catastrophically. One user called the requirement to potentially replace parts on a brand-new $500 machine “insane,” reflecting a frustration common among early adopters of complex, rapid-development technology. This duality—phenomenal results when working, but a small risk of early component failure—is the primary consideration for anyone looking to invest in the ELEGOO Mars 5 Ultra 3D Printer today.

ELEGOO Mars 5 Ultra 3D Printer Compared to High-Speed FDM Alternatives

The ELEGOO Mars 5 Ultra 3D Printer is a resin (SLA/MSLA) printer focused on ultra-high precision (9K) and speed (150mm/h). Its primary competitors are typically other high-resolution MSLA machines. However, given the push for high speed in the entire 3D printing industry, it’s necessary to compare it against the leading high-speed FDM (filament) machines. The fundamental difference lies in the output: the Mars 5 Ultra provides detail measured in single microns, while FDM printers offer speed, volume, and material variety, often at a lower detail level.

1. ANYCUBIC Kobra S1 Combo Multicolor 3D Printer with ACE PRO

Anycubic Kobra S1 Combo Multicolor 3D Printer with Anycubic ACE PRO, 4 Multicolor, Drying and...
  • 【Multicolor Printing Up to 8 Colors】The Anycubic Kobra S1 Combo can achieve 4-color printing. With 2 Anycubic Ace Pros are combined, you can then unleash max 8-color printing to bring you even...
  • 【Ace Pro More Than Just Active Drying】Active drying、intelligent mult-filament drying and anti-entanglement design improve the success of printing. Dual PTC heating module + 360° hot air...

The ANYCUBIC Kobra S1 Combo Multicolor 3D Printer represents the FDM side of the speed equation, boasting speeds up to 600mm/s—far exceeding the resin Mars 5 Ultra, though the technologies are non-comparable in direct speed terms. The key differentiation here is multicolor capability and material flexibility (using filament). The Kobra S1 is ideal for users needing larger functional prototypes (250x250x250mm build volume), strong, durable parts (ABS compatibility), and visual prints requiring multiple colors without painting. While the Kobra S1 offers convenience and much larger print capacity, it cannot approach the microscopic detail and smooth surface finish delivered by the 18.18μm XY resolution of the ELEGOO Mars 5 Ultra 3D Printer. Users prioritizing massive volume or multi-color functionality over miniature-level fidelity should consider the Kobra S1 as a strong alternative.

2. Creality K1 SE High-Speed 3D Printer

Sale
Creality K1 SE 3D Printer 600mm/s CoreXY High-Speed Printing Auto Leveling One-Tap Calibration...
  • 【Ultra-Fast CoreXY Printing】 Experience next-level speed with the K1 SE 3D printer, powered by a lightweight CoreXY motion system. It reaches up to 600mm/s and 20000mm/s² acceleration, delivering...
  • 【Upgraded Direct Drive Extruder】 The K1 SE adopts an advanced direct extruder for precise filament handling. Featuring reinforced tension with a side spring and ball plunger, it ensures consistent...

The Creality K1 SE is another contender in the CoreXY high-speed FDM arena, emphasizing rapid throughput and streamlined operation with its auto-leveling and one-tap calibration—features that mirror the user-friendliness of the Mars 5 Ultra. With a closed chamber and a 300°C hotend, the K1 SE excels at printing engineering-grade materials at high speed (600mm/s), catering to professionals needing rigid, high-temperature resistant parts. The K1 SE is a fantastic option for those who need functional, durable components quickly and are already familiar with the FDM ecosystem. However, for those focused specifically on achieving the highest visual fidelity for models, toys, or jewelry—where sanding layer lines is unacceptable—the resin-based ELEGOO Mars 5 Ultra 3D Printer is undeniably the superior choice for surface finish, offering detail unmatched by any filament machine, no matter how fast.

3. Creality K2 Pro Combo 3D Printer

Creality K2 Pro Combo 3D Printers, Multicolor 3D Printer Machine with CFS, Dual Camera, 600mm/s...
  • [Enjoy Multi-color Printing] By connecting up to 4 CFS units together, Creality K2 Pro 3d printer can print brilliant prints in up to 16 colors, saving the need for additional paintings for print...
  • 【Industrial Grade Speed and Accuracy】Driven with 600mm/s lightning printing and industry-leading 20,000mm/s² acceleration. The K2 Pro combination is equipped with a servo motor system(XYE) and a...

The Creality K2 Pro Combo pushes FDM innovation further with a larger build volume (300x300x300mm), still maintaining the high 600mm/s speed, and introducing its own advanced multicolor system (CFS). This machine targets professional studios or heavy hobbyists who need to produce large, visually complex, high-speed filament prints. The dual camera system and closed-loop control enhance reliability for long FDM runs. If your projects involve objects larger than the Mars 5 Ultra’s modest build volume, or if you require the inherent strength and material versatility of filament, the K2 Pro provides powerful, scalable FDM performance. However, for applications where flawless texture and minimal feature size (like 40mm miniatures) are non-negotiable, the ELEGOO Mars 5 Ultra 3D Printer’s 9K MSLA process delivers results that FDM technology simply cannot replicate, solidifying the Mars 5 Ultra’s place as the precision champion, even against these rapid FDM rivals. Before finalizing your decision, take a moment to compare the specific technical specifications of the Mars 5 Ultra against these alternatives.

Final Verdict: The Dawn of Fast, Flawless Resin Printing

The ELEGOO Mars 5 Ultra 3D Printer represents a monumental shift in desktop MSLA technology. We came into this review skeptical that a printer could truly achieve 9K resolution at speeds up to 150mm/h, but the integration of the tilt-release mechanism and the high-resolution mono screen delivers on this promise. The results we achieved with 8K and 9K resins were breathtaking, producing miniatures with microscopic clarity and prototypes that required zero post-processing to hide layer lines.

This is the ideal machine for two distinct user groups: the ambitious beginner who needs the ease of automatic leveling and the smart monitoring offered by the AI camera, and the professional hobbyist or small business owner seeking maximum throughput for small, highly detailed items. While the machine’s new mechanical components have had some reported initial reliability issues (the tilt mechanism and isolated screen failures), the overall performance, when running smoothly, is transformative.

We recommend the ELEGOO Mars 5 Ultra 3D Printer as a genuine game-changer in the resin printing sphere. It successfully eliminates the historical compromise between speed and precision, offering a workflow that is faster, smarter, and cleaner than ever before. If you are serious about precision modeling and ready to elevate your output to professional levels, this printer provides the technological edge you need. Ready to experience the pinnacle of high-speed 9K detail? Check the latest pricing and availability for the ELEGOO Mars 5 Ultra 3D Printer now.

Last update on 2025-11-14 / Affiliate links / Images from Amazon Product Advertising API