Prusa Original Prusa SL1S SPEED — official product imageMSLAPrusa — official manufacturer image

Prusa Original Prusa SL1S SPEED

MSLADesktopDimensions sourced

Monochrome-screen revision of the SL1 resin platform.

Official product

Source reviews: 2026-10-17.
Specifications are reported claims, not independent test results.

The machine at a glance

The details that matter.

Published specifications for this model. Follow a field's source for its configuration and measurement conditions; older fields refer to the profile's reference list.

Core specifications for Prusa Original Prusa SL1S SPEED
Introduction year2021
Model familyOriginal
ProcessMSLA
Build envelope (X × Y × Z)127 × 80 × 150 mm
Nominal box volume1.52 L · calculated from the envelope
EnclosureNot verified
Materials cited in this profile405 nm photopolymer resin
Manufacturer listing statusDocumented by manufacturer
Regional stock and priceCheck the manufacturer
Market groupingDesktop · editorial grouping

Technical specifications

Additional technical specifications for Original Prusa SL1S SPEED
LCD resolution (pixels)2560 × 1620
Lcd Screen5.96-inch monochrome
Wavelength (nm)405
Model notes · 01

Configuration and workflow

SL1S SPEED uses a tilting resin tank and a removable platform designed to retain calibration. PrusaSlicer provides tested material profiles; USB, Wi-Fi and LAN are documented. Exposure-time claims vary with resin and layer height.

A place in the lineage

Introduced in 2021.

An exact introduction year has not been established in the reviewed sources.

Family: Original · Listing status only

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Read this with the specifications

Manufacturer documentation establishes this model and the cited configuration. Retail stock and regional availability were not independently established.

A larger nominal envelope does not establish better print quality. Fit depends on the configuration, usable area, supports, and orientation.

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