Resin 3D printers / Comparison

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Consumer masked-stereolithography (MSLA/LCD) printers sold new in the US. Wash and cure stations, resin, air purifiers and enclosures are separate purchases unless the selected package lists them. Measured print quality, speed tests and resin safety assessments are outside this catalogue.

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Documented specifications and exact purchase packages
Compare the details	Saturn 4 Ultra 16K standalone SPUS-EL-3D-S4U16 (US)
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US purchase package	Option: Saturn 4 Ultra 16K printer only, SKU SPUS-EL-3D-S4U16; no Mercury wash and cure bundle, release film or resin add-on Product & sources ELEGOO US ships to the 48 contiguous states and Washington, D.C., lists Hawaii separately and excludes Alaska and US territories. Mercury Plus, Mercury XS and Mercury X bundles are separate selections on the same page and are not part of this package. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Where to buy	Select: Option: Saturn 4 Ultra 16K printer only, SKU SPUS-EL-3D-S4U16; no Mercury wash and cure bundle, release film or resin add-on View at ELEGOO US — Saturn 4 Ultra 16K standalone SPUS-EL-3D-S4U16 (US); opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Build volume in mm (X × Y × Z) The manufacturer's published maximum build volume in millimetres. A published maximum is not a usable size for every part; supports, orientation and plate edges reduce it. Printer body dimensions are a separate figure.	211.68 × 118.37 × 220 Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Build width (X) The published X dimension of the build volume. Compare with the longest flat footprint you plan to print; small differences between brands often follow the LCD panel outline.	211.68 mm Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Build depth (Y) The published Y dimension of the build volume. The shorter horizontal axis usually limits how many parts fit on one plate.	118.37 mm Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Build height (Z) The published Z travel available for printing. Tall parts also take longer because every layer is exposed separately. Height is not a speed or quality indicator.	220 mm Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Masking LCD size The published diagonal of the monochrome masking LCD. Screen size tracks build area, not detail. Operating touch screens are a different component and are not recorded here.	10 in Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Published LCD resolution The pixel count and the marketing label the manufacturer attaches to it. Treat 9K, 10K, 14K and 16K as names. Compare the pixel count together with the pixel size and the screen area.	15120 × 6230 pixels; marketed as 16K. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Largest published XY pixel dimension The larger of the published X and Y pixel dimensions in micrometres. Panels with non-square pixels are recorded by their larger axis so the filter stays conservative. Pixel size is not a measured surface-finish result.	19 µmPublished XY pixel size is 14 × 19 μm; the larger axis is recorded. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Light source The documented UV light engine, wavelength and any published power or intensity figure. A wattage or intensity figure is a manufacturer specification, not a measured exposure. Exposure times still depend on the resin and slicer profile.	COB light source with Fresnel collimating lens.No wattage or intensity figure is published; the power requirement is 100-240 VAC, 50/60 Hz, 24 V 6 A. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Minimum published layer height The lowest layer thickness in the manufacturer's supported range. A smaller minimum does not establish that every resin or profile prints well at that setting. Read the supported range in the note.	10 µmPublished layer thickness range 0.01-0.2 mm; Z-axis accuracy 0.02 mm. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Build plate leveling The documented leveling workflow for the build plate. Automatic, assisted and manual screw leveling are different routines. Factory leveling can still need adjustment after shipping.	Automatic leveling. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Air filtration Whether filtration is built in, offered as a separate accessory, or not documented. A carbon filter is not a ventilation system or a safety certification. Follow the manufacturer's handling and ventilation instructions.	No built-in purifier; the USB port is unavailable for a purifier; compatible with the separate ELEGOO Mars Mate air purifier. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
File transfer and connectivity The documented ways to send print files and monitor the printer. Wi-Fi transfer, cloud apps and cameras are separate functions. Confirm that the app or network feature you need is listed for this exact model.	USB and built-in dual-band Wi-Fi with cluster printing; AI camera with chamber light for monitoring and time-lapse. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Documented slicer software The slicing software the manufacturer names for this printer. A named slicer is not a guarantee that every third-party slicer or resin profile is supported. Check the file format the printer reads.	SatelLite and Chitubox. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Manufacturer speed claim The published speed figure with the conditions the manufacturer attaches to it. Speed claims depend on a specific mode, resin, exposure and layer height. They are not comparable measurements across brands.	Up to 150 mm/h; 5.5 s per layer in fast mode under Chitubox default parameters including a 2.5 s exposure. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Included equipment The box contents documented for the exact US package. Wash and cure stations, resin, air purifiers and enclosures are separate unless listed. Recheck the package before purchase.	Printer, build plate, resin tank, funnel, resin tray, USB flash disk, gloves, mask, backup screws, scraper, power adapter, tool kit and user manual.No wash and cure station, resin or air purifier is included in this option. Source · 2026-10-21 ELEGOO: Saturn 4 Ultra 16K US product page, specifications and box listChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Questions to check before buying	ELEGOO states that AI detection results vary with environment, models and resin; no camera, speed or print-quality result is measured here. The heated tank, tilt release and 16K label are manufacturer descriptions; they do not establish a measured surface finish or success rate.

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