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Researched by Ric Ruben. Prices checked September 16, 2026.

The Elegoo Saturn 4 Ultra 16K is a 10-inch, 16K mono LCD resin printer with auto-leveling, smart tank heating, and an AI monitoring camera. It is currently $399 on Elegoo's site, down from $649.99. It suits buyers who want sharper detail than a 12K resin printer without paying for a dental-grade machine.

Elegoo Saturn 4 Ultra 16K resin 3D printer, right side view
Elegoo Saturn 4 Ultra 16K. Source: Elegoo product page.

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Current price and where to buy

$399 (regular price $649.99), checked September 16, 2026 on Elegoo's US store. This is a running sale, not a one-time drop, so check the live price before buying.

Deciding between this and the rest of the field? We line the Saturn up against the Mars 5 Ultra and the Anycubic Photon Mono M7 in our guide to the best resin 3D printer you can buy right now.

See the Saturn 4 Ultra 16K Compare: Photon Mono M7
Close-up of the Elegoo Saturn 4 Ultra 16K's 10-inch 16K mono LCD screen
The 16K mono LCD, the main upgrade over the 12K Saturn 4 Ultra. Source: Elegoo product page.

Saturn 4 Ultra 16K vs. Saturn 4 Ultra vs. Photon Mono M7

SpecSaturn 4 Ultra 16KSaturn 4 UltraAnycubic Photon Mono M7
Price (checked Sep 16, 2026)$399$359$493
LCD10-inch, 16K mono10-inch, 12K mono10.1-inch, 14K mono
XY resolution14 x 19 micron19 x 24 micron16.8 x 24.8 micron
Build volume211.68 x 118.37 x 220 mm218.88 x 122.88 x 220 mm223 x 126 x 230 mm
Max print speed150 mm/h150 mm/h150 mm/h (high-speed resin)
Tank heatingSmart heated, 30CStandard tankNot listed
CameraAI camera with lightAI cameraNot listed

Sources: Elegoo Saturn 4 Ultra 16K product page and Anycubic Photon Mono M7 product page, checked September 16, 2026.

Elegoo Saturn 4 Ultra 16K with the lid open, showing the build plate and resin vat
Build plate and heated resin vat with the lid open. Source: Elegoo product page.

Buy this if

  • You already print resin and want to go from 12K to 16K detail without leaving Elegoo's ecosystem
  • You want auto-leveling and a heated tank so prints are more consistent in a cold garage or workshop
  • You want to monitor prints remotely, since the AI camera flags empty plates and warped models

Skip this if

  • You have not printed resin before. The step up from FDM (post-curing, ventilation, PPE) matters more than which resin printer you buy first
  • You need a bigger build volume than 211.68 x 118.37 x 220 mm. Elegoo's own Jupiter 2 or the Anycubic Photon Mono M7 Max go larger
  • You only print standard resin at default settings, where the jump from 12K to 16K is hard to see
AI monitoring camera with light on the Elegoo Saturn 4 Ultra 16K
The AI camera flags empty plates and warped prints, and lights the chamber for night monitoring. Source: Elegoo product page.

What buyers are actually asking

Elegoo's own product page carries a running Q&A thread with over 55 questions as of September 2026. The recurring topics are logistics and compatibility, not print failures:

What are the closed dimensions of the Saturn 4 Ultra 16K?

327.4 x 329.2 x 548 mm (L x W x H) with the lid closed. Elegoo recommends roughly 300 mm of extra clearance above and behind the machine to open the lid fully.

Does it come with a screen protector?

Yes, a tempered glass LCD protector ships pre-installed.

Does the Mars Mate air purifier work with it?

Yes, per Elegoo's support answers on the product page.

What resin does it need?

Any standard 405nm UV resin. Elegoo's own resin lines are sized for this printer, but they are not required.

Source: buyer questions and Elegoo staff answers on the product page, dated entries checked September 2026.

What's in the box with the Elegoo Saturn 4 Ultra 16K: printer, resin tank, tools and accessories
What's in the box. Source: Elegoo product page.

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