3D Printing Info

Printer comparison

Bambu Lab H2S vs Original Prusa MINI+

Compare hardware, build volume, printing specifications, dated prices and sources.

2 selected · all documented properties

Bambu Lab H2S vs Original Prusa MINI+ — documented properties and sources
PropertyBambu Lab H2SCOREXYOriginal Prusa MINI+BEDSLINGER
Identity
BrandBambu LabPrusa Research
ClassCOREXYBEDSLINGER
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)Bambu Lab H2S; spec sheet header "H2S & H2S Laser Edition Spec Sheet"[1]Original Prusa MINI+ Semi-assembled 3D Printer[2]
Street price (USD; dated snapshot per entry)From $1,199.00 on the Bambu Lab US store, Aug 2026, against a stated typical price of $1,249.00[3]$508.33 on prusa3d.com, Aug 2026[4]
Variants & sibling models — and how to tell them apart (spec-contamination risk)Single-nozzle machine sharing the H2 body. H2S and H2S Laser Edition are covered by one spec sheet: the Laser Edition adds laser safety windows, the air-assist pump and the 3264x2448 BirdsEye camera, and a plain H2S can be upgraded with a Laser Upgrade Kit. Against the dual-nozzle H2D in the same 492x514x626 mm shell: 30 kg vs 31 kg, 340x320x340 mm single-nozzle volume vs 325x320x325 mm[1][5]Sold semi-assembled and, historically, as a kit; also offered in an Enclosure Bundle. Distinguish from the larger i3-family machines - the MINI+ is Bowden-fed with 2209 drivers, a 280 C nozzle ceiling and a 100 C bed, all lower than the MK3S+/MK4S. Note that Prusa's own MINI+ page carries an "Awards & Press Reviews" paragraph that is entirely about the MK3S, not the MINI+[2][6]
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable340 x 320 x 340 mm (manufacturer figure)[1]180 x 180 x 180 mm (manufacturer figure)[2]
Machine footprint (mm) & clearance needed (cable/spool overhang)492 x 514 x 626 mm - the same body as the H2D and H2C[1]380 x 330 x 380 mm (X x Y x Z), stated without the spool holder and external PSU - the external PSU brick needs additional desk space[2]
Net weight (kg)30 kg net[1]4.5 kg without spool holder and external PSU[2]
Frame construction & materialAluminium and steel chassis and shell[1]Not documented
Enclosure: open / enclosed; panel material; door/lidFully enclosed with a door sensor; active chamber heating to 65 C, chamber exhaust and heat-circulation fans, G3 + H12 + coconut-shell carbon filtration[1]Open frame; sold with an optional Enclosure bundle[2]
Passive chamber temperature reached (if enclosed; measured values preferred)Active chamber heating, maximum 65 C (manufacturer figure)[1]Not documented
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)CoreXY - not named in the spec sheet; grouped by Bambu with the H2 enclosed CoreXY machines at 20000 mm/s2[1]Not documented
Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?)Not documentedTrinamic 2209 silent stepper drivers, with sensorless homing on the X and Y axes[2]
Speed & Acceleration
Max print speed (claimed, mm/s)1000 mm/s max toolhead speed (manufacturer claim); no independent measurement found[1]Not documented
Max acceleration (claimed, mm/s²)20000 mm/s2 max toolhead acceleration (manufacturer claim)[1]Not documented
Max volumetric flow claimed (mm³/s)40 mm3/s standard-flow hotend, 65 mm3/s optional high-flow hotend; Bambu's test is a 250 mm round single-wall model in Bambu ABS at 280 C[1]Not documented
Extruder
Type (direct drive / bowden) & design nameDirect drive with hardened-steel gears and a Bambu high-precision permanent-magnet synchronous extruder motor; built-in filament cutter[1]Bowden extruder with 3:1 gearing - the only current Prusa FFF machine that is not direct drive[2]
Gear ratio & drive gear materialNot documented3:1 extruder gearing[2]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)All-metal hotend, hardened-steel nozzle, 0.4 mm included, 0.2/0.4/0.6/0.8 mm supported; optional high-flow hotend[1]Not documented
Max nozzle temp claimed AND firmware max temp limit (both values)350 C claimed max nozzle temperature[1]280 C claimed max nozzle temperature - lower than the 290-300 C of the i3-family machines[2]
Heated Bed & Surface
Max bed temp claimed AND firmware limit120 C max heatbed temperature[1]100 C max heatbed temperature[2]
Bed surface (material, texture, coating), single/double-sidedTextured PEI plate and Smooth PEI plate supported[1]Removable magnetic steel sheets in several surface finishes; heatbed with cold-corner compensation[2]
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Not documentedSuperPINDA inductive probe with no temperature drift, driving automatic mesh bed levelling[2]
Filament Handling & Detection
Filament runout sensor (type, location)Yes - run-out sensor, tangle sensor and door sensor; odometry with AMS[1]Not documented
Cooling & Air Handling
Part-cooling fan(s): count, size, ducting designPart-cooling fan, hotend cooling fan, main control board fan, chamber exhaust fan, chamber heat-circulation fan and auxiliary part-cooling fan, all closed-loop controlled[1]Not documented
Electronics & Power
Mainboard model & MCU (exact chip markings if teardowns exist)Not documentedCustom 32-bit board of Prusa's Buddy family; the MINI/MINI+ is covered by the same Prusa-Firmware-Buddy source tree as the MK4, XL and CORE One. The exact board revision is not given on the product page[2][7]
Total rated power draw100-120 VAC / 200-240 VAC 50/60 Hz; 2050 W at 220 V, 1170 W at 110 V[1]Not documented
Firmware & Openness
Firmware base & current version (Klipper fork / Marlin fork / proprietary)Closed-source proprietary firmware - not a Klipper or Marlin derivative, and no printer-firmware source is published. The bambulab GitHub organisation carries 11 repositories (Bambu Studio, wxWidgets/boost/ffmpeg forks, the wiki); none is printer firmware. Updates are delivered over the air via Bambu Studio / Bambu Handy[8]Open-source Prusa Buddy firmware. The source tree (prusa3d/Prusa-Firmware-Buddy on GitHub) explicitly covers the Original Prusa MINI/MINI+, MK4, XL and CORE One and was last pushed to in August 2026. Updates are applied from a USB drive, through Prusa Connect or through the Prusa mobile app[7][9]
Connectivity, UI & Camera
Display: size, type, touch?5-inch 720x1280 touchscreen[1]2.8-inch 65k-colour graphic screen with G-code preview[2]
On-device UI capabilities (model preview, per-object controls, etc.)Touchscreen plus mobile app and PC app[1]On-device colour UI with G-code preview; remote print management through Prusa Connect[2]
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveBuilt-in 8 GB eMMC and a USB port; touchscreen, app and PC control interfaces[1]USB port, RJ-45 Ethernet, optional ESP Wi-Fi module (sold separately); compatible with Prusa Connect[2]
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)Live-view camera 1920x1080 and toolhead camera 1600x1200; the 3264x2448 BirdsEye camera is fitted only on the Laser Edition[1]Not documented
Calibration Routines & QoL
Assembly level & time from unbox to first printNot documentedSemi-assembled: Prusa ships it in a small number of pre-built sections; also historically sold as a full kit[2]
Materials Support
Officially supported filament listPLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS, plus carbon/glass-fibre reinforced PLA, PETG, PA, PET, PC, ABS, ASA, PPA and PPS[1]PLA, PETG, ASA, ABS, PC, CPE, PVA/BVOH, PVB, HIPS, PP, Flex, nGen, Nylon, Woodfill and other filled materials (Prusa's own list; the 100 C bed and open frame are the practical limit for ABS/ASA)[2]
Safety
Thermal runaway protection (verify in firmware source if at all possible)Not documentedThree thermistors and fan RPM sensors are fitted, and the firmware is open-source and auditable (Prusa-Firmware-Buddy); Prusa does not describe the thermal-runaway implementation on the product page[2][7]
Reliability, Support & Ecosystem
Warranty length & support reputation (evidence, not vibes)2-year limited warranty for consumers in the US, Canada, the EU, Switzerland, Norway and Iceland; 1 year in the rest of the world. Bambu Lab's own policy records the US/Canada term as a 2026 extension from one year to two[10]2-year warranty for consumers in the EU, Liechtenstein, Switzerland, Norway and Iceland; 1 year for EU enterprises and 1 year for the rest of the world, which includes the United States. A printer bought from a reseller or privately carries 1 year from the original delivery date and is handled by the reseller. Prusa advertises 24/7 chat and e-mail support in seven languages[11][9]

Manufacturer claims, independent measurements, packages and test conditions retain their source wording. FDM linear speed and resin vertical speed use different units and are not directly comparable. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.

Sources for this comparison

  1. Bambu Lab H2S & H2S Laser Edition Spec Sheet (PDF) store.bblcdn.com · 2026-08 · doc
  2. Original Prusa MINI+ Semi-assembled 3D Printer product page (Technical Parameters + Full Features List, January 2025 Edition) prusa3d.com · 2026-08 · vendor
  3. Bambu Lab US Store - 3D Printers collection listing (base prices, Aug 2026) us.store.bambulab.com · 2026-08 · vendor
  4. Prusa 3D printers category listing with live e-shop prices, Aug 2026 prusa3d.com · 2026-08 · vendor
  5. Bambu Lab H2D - Technical Specifications bambulab.com · 2026-08 · vendor
  6. Original Prusa i3 MK3S+ 10th Anniversary Edition product page (Technical Parameters + Full Features List) prusa3d.com · 2026-08 · vendor
  7. GitHub - prusa3d/Prusa-Firmware-Buddy (firmware for MINI, MK4, XL and CORE One) github.com · 2026-08 · doc
  8. GitHub - bambulab organisation repository list (11 repos, checked Aug 2026) github.com · 2026-08 · doc
  9. Original Prusa MK4S 3D Printer product page (Technical Parameters + CORE One+/MK4S/XL comparison table) prusa3d.com · 2026-08 · vendor
  10. Bambu Lab Warranty Policy bambulab.com · 2026-08 · vendor
  11. Prusa Knowledge Base - Warranty help.prusa3d.com · 2026-08 · doc