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ELEGOO Saturn 4 Ultra 16K Resin 3D Printer, Fast Printing up to 150mm/h, 16K Ultra High Resolution, Automatic Leveling, Smart Mechanical Sensor, AI Camera, Large Printing Size 211.68*118.37*220mm³
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AI Verdict
A 16K resin 3D printer with 150mm/h speed and a heated resin vat, built for detailed and consistent prints.
This printer is a strong fit for users prioritizing extreme detail and speed in resin printing, thanks to its 16K resolution and 150mm/h tilt-release technology. The integrated resin heating system at 25°C ensures consistent print quality, even in cooler conditions.
If you need even larger build volumes, look for printers in the Jupiter series or those with build areas exceeding 211.68x118.37x220mm³.
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Pros
- Produces models with 14x19μm XY resolution from a 15120x6230px screen, delivering fine details.
- Achieves print speeds up to 150mm/h using tilt-release technology, reducing print times.
- Maintains resin at a consistent 25°C with a built-in heating system, improving print consistency in varied temperatures.
- Features one-click automatic leveling, simplifying setup and calibration.
- Includes an AI camera for real-time monitoring and detection of issues like empty build plates or model warping.
- The build plate has micro-etched lines for improved first-layer adhesion, reducing print failures.
Cons
- The resin tank requires a substantial amount of resin, nearly a full liter, to reach the minimum fill level.
- The AI camera's utility is limited until the build plate rises above the resin.
- No active air filtration system is integrated into the printer.
- Replacing the PFA film on the factory resin tank is a difficult process, and no spare film is included.
- The tilt-style resin vat can lead to resin ingress during accidental spills.
Dimension Scores
The 16K mono LCD with 14x19μm XY resolution and 92% COB light uniformity delivers exceptionally crisp and detailed prints.
Features like one-click automatic leveling, power-loss resume, and a 4.0-inch capacitive touch screen simplify operation.
It supports switching between fast and slow print modes and is compatible with most resins on the market.
Constructed with metal components and featuring a 9H tempered glass screen protector, it feels robust.
Best For
- Printing highly detailed miniatures and models requiring extreme precision.
- Users in colder environments needing consistent resin temperatures for reliable prints.
- Hobbyists and professionals who want faster resin printing without sacrificing detail.
- Anyone looking for automated features like leveling and print monitoring to streamline their workflow.
Not Recommended For
- Users with limited space who need a compact or easily movable printer (weighs 40.9 pounds).
- Those on a very tight budget who are sensitive to higher resin consumption for minimum fills.
- Users who prioritize a completely mess-free experience without any risk of resin spills.
Watch Out For
- The resin vat needs almost a full liter of resin to meet the minimum fill line, potentially wasting resin if you only need a small amount.
- Replacing the PFA film on the stock resin tank is a pain, and Elegoo doesn't include a spare, so you might need to buy an aftermarket vat.
- The AI camera doesn't detect failed prints and isn't useful for monitoring until the print is out of the resin.
- Cleaning the printer can be difficult, according to some users.
- Small pieces of residue in the vat might not trigger the residue detection, potentially leading to print failures.
Full Specifications
| ASIN | B0DPKLVM1J |
| Brand | ELEGOO |
| Color | Saturn 4 Ultra 16K |
| Material | Metal |
| Item Weight | 40.9 pounds |
| Manufacturer | ELEGOO |
| Item model number | 3D-S4U16K |
| Product Dimensions | 26.1 x 17.83 x 17.95 inches |
What Buyers Say
Users are consistently blown away by the 16K resolution, noting that even at faster print speeds, the detail remains high. The heated resin vat is a game-changer for many, especially those in cooler climates, ensuring more consistent results. However, the resin tank's high minimum fill level and the difficulty of replacing the PFA film on the stock vat are recurring frustrations.
“Man, this 16K is insane, the details are just nuts, but seriously, that resin tank needs so much resin just to start, and changing the PFA is a nightmare, wish they'd just include a spare or make it easier.”
Common Praise
- Models show incredible detail due to the 16K resolution.
- The heated resin tank maintains optimal temperatures, leading to fewer failed prints.
- Prints are consistently crisp, even when using the faster print modes.
- The automatic leveling system works reliably, making setup less stressful.
- The build plate's surface provides strong adhesion, preventing prints from detaching.
Common Complaints
- The resin vat requires a lot of resin to reach the minimum fill line, which can be wasteful.
- Replacing the PFA film on the stock resin tank is a difficult and messy process.
- The AI camera doesn't offer much benefit for monitoring until the print is already out of the resin.
- There's no integrated air filtration, so you'll need external ventilation.
- Small debris in the vat might not be detected by the smart sensor, potentially causing print issues.
Ownership Tips
- You'll likely want to invest in an aftermarket resin vat with an easier PFA film replacement system.
- Keep a good supply of resin on hand, as the minimum fill level for the vat is quite high.
- Consider a separate air purifier or ensure good ventilation, as there's no built-in filtration.
- Even with the AI camera, you'll still need to visually inspect prints for early failures.
- The heated vat is a real benefit in colder workshops, making prints more consistent.
Frequently Asked Questions
What is the resolution of the screen?
It features a 10-inch 16K mono LCD with a resolution of 15120x6230 pixels, resulting in an XY resolution of 14x19μm.
How fast can it print?
The printer can achieve speeds up to 150mm/h, utilizing tilt-release technology to speed up the separation of layers.
Does it have automatic leveling?
Yes, it includes one-click automatic leveling, which simplifies the setup process.
Is there a heated resin vat?
Yes, it has a smart resin tray heating system that maintains the resin at a constant 25°C for optimal printing conditions.
Can I monitor prints remotely?
It has a built-in AI camera for real-time monitoring, which can detect issues like empty build plates or model warping.
Buying Guide
When looking at resin 3D printers, you need to understand that resolution (like 16K) dictates how fine the details on your prints will be. Print speed, often boosted by features like tilt-release technology, tells you how quickly you can get your models. Also, consider features that make printing less of a headache, like automatic leveling and resin heating, especially if your workspace isn't temperature-controlled.
16K Ultra High Resolution (15120*6230px, 14*19μm XY)
Fast Printing up to 150mm/h with Tilt-Release Technology
Smart Resin Tray Heating (25°C constant)
Large Printing Size (211.68*118.37*220mm³)
Alternatives
If this printer doesn't fit, look for models with a smaller minimum resin fill requirement if you print infrequently, or printers with integrated air filtration for a cleaner setup. For even larger prints, search for printers with a build volume exceeding 220mm in height.



