For a bigger resin plate in 12K

Elegoo Saturn 4

An MSLA resin printer with a monochrome 12K screen, a 218.88 × 122.88 × 220 mm build volume, and a flip-up cover per Elegoo.

Resin218.88 × 122.88 × 220 mmCover

Documentary analysis · Not personally tested

See the manufacturer and sellers

Elegoo Saturn 4, manufacturer image
Image provided by Elegoo. Equipment shown does not establish the contents of the selected bundle.

Specification sources reviewed 2026-09-12. These are manufacturer claims, not measurements by Find My 3D Printer.

Why consider it?

A 10-inch 12K screen at 11520 × 5120 pixels, one-click automatic leveling, a smart mechanical sensor, and a dual-spout resin tank per Elegoo.

What to verify

Automatic leveling but no Wi-Fi or camera on this model; flexible build plates are not compatible per Elegoo.

The specifications that matter

Process
Resin
Nominal build volume
218.88 × 122.88 × 220 mm
Enclosure
Protective cover, not a thermal chamber
Multicolor
One resin at a time; no automatic color or material switching.
Materials
Compatible 405 nm UV resins for MSLA; profile and post-processing steps specific to each product, compatible with the Elegoo Marsmate purifier.

Allow room for supports and the chosen orientation. Confirm the exact nozzle, feeder, included accessories and installation clearance against the manual and seller’s listing.

Which projects is it for?

The Saturn 4 is an MSLA resin printer with a 10-inch monochrome 12K screen and a 218.88 × 122.88 × 220 mm build volume per Elegoo. This larger format than the Mars line suits batches of figurines, mid-size parts, and taller vertical prints thanks to the 220 mm of headroom.

One-click automatic leveling and a pre-print self-check, advertised by Elegoo, keep setup simple despite the larger plate.

Materials and setup

The printer runs compatible 405 nm UV resins, each with its own profile and post-processing steps per Elegoo. The COB light source paired with a Fresnel collimating lens aims for 92% light uniformity advertised across the entire build area.

The dual-spout resin tank makes pouring and draining easier per Elegoo, but Elegoo specifies that the Saturn 4 is not compatible with flexible build plates, which risk throwing off automatic detection and damaging the LCD screen.

What the bundle includes or not

The box includes the printer, build plate, resin tank, a USB drive, a mask, and gloves per Elegoo's "What's In Box" list, with further items not detailed, 6 and up in total. The exact contents should be checked on the retailer's listing before buying.

The flip-up cover makes the build plate easier to access, but the printer has neither Wi-Fi nor a built-in monitoring camera per the spec sheet.

Alternatives to compare

For a faster print speed on the same screen format, the Saturn 4 Ultra adds tilt-release technology and an AI camera. For a tighter budget on a smaller plate, the Mars 5 remains an entry-level option.

The resin printer buying guide and the resin materials guide help prepare post-processing for this plate size.

Frequently asked questions

Is the Saturn 4 faster than the Mars lineup?

The speed Elegoo advertises is a maximum of 70 mm/h, comparable to the Mars 5, on a noticeably larger 218.88 × 122.88 × 220 mm plate.

Can you install a flexible build plate?

No, Elegoo explicitly states that flexible build plates are not compatible with the Saturn 4 and can disrupt automatic detection or damage the screen.

Does the machine have a monitoring camera?

No, Elegoo's listing does not mention a camera on the Saturn 4; that feature appears on the Saturn 4 Ultra in the same lineup.

Sources and limits

We have not measured noise, real printing speed, accuracy or reliability. Manufacturer images do not establish the contents of the selected bundle.