Elegoo Saturn 4 Ultra 16K
10-inch 16K Mono LCD (15,120 × 6,230 px) — the sharpest resolution in its class at 14 × 19 μm XY pixel size
$415.79 promotion price Resin Advanced
Price
$415.79promotion price
Type
Resin
Release
2026-01
Rating
4.5/5
Specifications
Build Volume 211.68 x 118.37 x 220 mm
Layer Precision 0.01 mm layer height
Max Speed Up to 150 mm/h (5.5s/layer)
Noise Level ~45 dB
Compatible Materials Standard Resin, ABS-Like Resin, Water-Washable Resin, High-Temp Resin, Castable Resin, Dental Resin
Auto Bed Leveling Yes
Pros
- 16K resolution (14 × 19 μm pixel) delivers razor-sharp details on miniatures, jewelry, and dental models — a visible leap over 12K competitors; 100% print success rate across multiple reviews
- Heated resin vat (30°C) with built-in stirring via build plate movement eliminates cold-temperature failures; COB + Fresnel collimating lens ensures uniform exposure across the entire 10" screen
- Tilt Release Technology enables fast 5.5s/layer printing; auto-leveling, smart resin-level sensor, and debris detection make it nearly zero-maintenance
- Wi-Fi cluster printing manages multiple printers from one interface; AI camera with built-in LED light supports timelapse and real-time monitoring via Chitubox
Cons
- No built-in air filtration system — you must provide external ventilation or an air purifier for VOC safety; AI camera cannot detect failures below the resin surface
- Post-processing requires cleaning between the dual-layer build plate; Elegoo's SatelLite slicer lacks real-time monitoring — Chitubox is recommended instead
Overview
The Elegoo Saturn 4 Ultra 16K represents Elegoo’s most ambitious leap in resin printing technology. Packing a 10-inch 16K Mono LCD with an industry-leading 14 × 19 μm pixel resolution, a heated resin vat for cold-environment printing, and Tilt Release Technology for blazing-fast layer times, this printer is designed for users who refuse to compromise on detail. Running Elegoo’s EL3D-4.0 system with a 4.0” touchscreen, built-in AI camera, and Wi-Fi cluster printing, the Saturn 4 Ultra 16K earned PCMag’s Editor’s Choice award and a 4.5/5 rating.
Print Quality & Real-World Testing
| Metric | Result |
|---|---|
| XY Resolution | 14 × 19 μm (15,120 × 6,230 px) — among the sharpest on any consumer resin printer |
| Print Success Rate | 100% — zero failures reported across PCMag and 3DWithUs testing |
| Dimensional Accuracy | ±0.05 mm (Siraya Tech test: 9.94mm measured vs 10mm expected) |
| Layer Height Range | 0.01 – 0.20 mm (supports 0.01, 0.025, 0.05 mm fine settings) |
| Layer Time (Fast Mode) | ~5.5 seconds per layer |
| Surface Finish | Extremely smooth with virtually invisible layer lines |
| Detail Clarity | Miniature details like armor skulls, sword engravings rendered perfectly |
| Cold Environment Tested | Successful prints at -3°C to 4°C ambient (3DWithUs winter testing) |
Key Features
10-Inch 16K Mono LCD
The largest and sharpest display in Elegoo’s lineup:
- 15,120 × 6,230 pixels — nearly double the pixel density of 12K screens
- 14 × 19 μm XY resolution — individual pixels invisible to the naked eye
- 9H tempered glass protective layer — shields the LCD from resin damage
- PFA release film — rated for ~60,000 peel cycles before replacement
COB Light Source with Fresnel Lens
Upgraded from traditional LED matrix arrays:
- COB (Chip-on-Board) technology — higher light density, more uniform output
- Fresnel collimating lens — parallelizes light rays for consistent edge-to-edge exposure
- Overheat protection — auto-pauses print if LED temperature exceeds 80°C
- Zone exposure support — set different exposure times for different model regions
Heated Resin Vat
A game-changer for users in cold workshops, garages, or basements:
- Maintains 30°C — prevents resin thickening and layer adhesion failures
- Smart heating via build plate motion — the build plate stirs the resin as it moves, distributing heat evenly
- Dual pour spouts — easy resin filling and draining
- Critical for ABS-like and high-temp resins — which are sensitive to ambient temperature
Tilt Release Technology
Replaces traditional flat-peel mechanisms:
- Resin vat tilts during peel — reduces suction force by ~50%, enabling faster layer times
- Standard and fast print modes — switch seamlessly in slicer settings
- Prolongs LCD lifespan — gentler peel forces reduce mechanical stress on the screen
AI Camera with Built-In LED
The upgraded monitoring system provides:
- Real-time monitoring via Chitubox (Elegoo SatelLite support limited)
- Timelapse recording with built-in illumination for clear footage
- Build plate detection — alerts if the print detaches from the platform
- Model warping detection — flags potential failures mid-print
Smart Sensor Suite
Multiple sensors work together to prevent failures:
- Resin level monitoring — alerts when resin is running low or overfilled
- Debris detection — warns if foreign objects could damage the LCD
- Leveling failure alarm — detects if auto-leveling didn’t complete properly
- One-tap self-diagnostic — quickly checks all component statuses
Auto Leveling
Fully automatic calibration:
- One-button leveling — no manual adjustment needed
- Laser-engraved build plate surface for strong adhesion
- Plug-and-play setup from box to first print in ~5 minutes
Technical Specifications
Printing
| Parameter | Value |
|---|---|
| Print Technology | MSLA (Masked Stereolithography) |
| Build Volume | 211.68 × 118.37 × 220 mm |
| LCD Screen | 10” 16K Mono LCD |
| XY Resolution | 14 × 19 μm (15,120 × 6,230 px) |
| Z-Axis Precision | 0.02 mm |
| Layer Height | 0.01 – 0.20 mm |
| Light Source | COB + Fresnel collimating lens |
| Max Print Speed | 150 mm/h (~5.5s/layer in fast mode) |
| Peel Mechanism | Tilt Release Technology |
| Resin Vat | Heated (30°C), dual pour spouts |
| Release Film | PFA (~60,000 cycle lifespan) |
| Build Plate | Laser-engraved, auto-leveling |
| LCD Protection | 9H tempered glass |
Supported Materials
| Category | Materials |
|---|---|
| Recommended | Standard resin, ABS-like resin, Water-washable resin |
| Supported | High-temp resin, Castable resin, Dental resin, Flexible resin |
| Not Recommended | plant-based or bio-resins without compatibility testing |
Hardware
| Parameter | Value |
|---|---|
| Display | 4.0” capacitive touchscreen |
| Camera | AI camera with built-in LED |
| Connectivity | USB, Dual-band Wi-Fi (2.4/5 GHz) |
| Wi-Fi Features | Cluster printing (manage multiple printers) |
| Smart Sensors | Resin level, debris, leveling failure, overheat |
| Power Loss Recovery | Yes |
| OTA Firmware Updates | Yes |
| Air Filtration | Not built-in (compatible with Elegoo Mars Mate) |
Physical
| Parameter | Value |
|---|---|
| Printer Dimensions | 327.4 × 329.2 × 548 mm |
| Net Weight | 16.1 kg |
| Gross Weight | 18.7 kg |
| Power Input | 100–240 VAC, 50/60 Hz |
| Power Output | 24V 6A |
Software
| Parameter | Value |
|---|---|
| Operating System | ELEGOO EL3D-4.0 |
| Slicer (Primary) | ELEGOO SatelLite |
| Slicer (Alternative) | Chitubox (recommended for monitoring) |
| File Formats | G-code, 3MF |
| Supported Languages | 12 (EN, ZH, JP, NL, KR, FR, DE, RU, IT, ES, TR, PT) |
Saturn 4 Ultra 16K vs Competitors
| Feature | Saturn 4 Ultra 16K | Saturn 4 Ultra (12K) | Mars 5 Ultra | HALOT-X1 |
|---|---|---|---|---|
| Price | $499 | $399 | $299 | $299 |
| Screen | 10” 16K | 10” 12K | 6.5” 14K | 10.1” 16K |
| XY Resolution | 14 × 19 μm | 18 × 22 μm | 14 × 14 μm | 14 × 19 μm |
| Build Volume | 212 × 118 × 220 | 219 × 123 × 220 | 153 × 77 × 175 | 212 × 118 × 200 |
| Heated Vat | Yes (30°C) | Yes (30°C) | No | No |
| Tilt Release | Yes | Yes | No | No (fixed platform) |
| Auto Leveling | Yes | Yes | Yes | Yes (fixed plate) |
| AI Camera | Yes | Yes | Yes | Yes |
| Light Source | COB + Fresnel | COB + Fresnel | COB + Fresnel | Matrix LED 92-zone |
| Weight | 16.1 kg | 15.6 kg | 5.6 kg | 12.9 kg |
| Best For | Overall best | Budget large-format | Miniatures | Resin beginners |
Who Should Buy the Saturn 4 Ultra 16K?
Ideal for:
- Miniature painters and tabletop gamers who need flawless 28mm-scale detail
- Jewelry designers and dental technicians requiring dimensional accuracy
- Cosplay prop makers printing large, high-detail pieces
- Users in cold climates who need a heated vat for year-round printing
- Professionals managing multiple printers via Wi-Fi cluster mode
Consider alternatives if: - You’re buying your first 3D printer and unfamiliar with resin safety (consider Mars 5 Ultra for a gentler learning curve)
- You need built-in air filtration (add Elegoo Mars Mate or consider HALOT-X1)
- You only print small miniatures and don’t need the 10” build area (consider Mars 5 Ultra at $299)
- You want the absolute highest XY resolution per dollar (Mars 5 Ultra at 14 × 14 μm is sharper, but much smaller)
The Saturn 4 Ultra 16K is Elegoo’s statement printer — it doesn’t just compete with the best; it redefines what a $500 resin printer can do. With 16K resolution, a heated vat, and tilt-release speed, it earned PCMag’s Editor’s Choice for good reason.