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  3. H2S vs Plus4

Bambu Lab H2S vs QIDI Plus4

What H2S does better (6) and where Plus4 wins (1) — every spec side by side.

Bambu Lab H2S
Bambu Lab · 2025H2S
9.5Score
6 advantages≈ $1,200
Higher score
vs
QIDI Plus4
QIDI · 2024Plus4
8.7Score
1 advantage≈ $1,100
9.2Build volume7.8
9.3Ease of use7.5
Dimensions

Size comparison

H2SPlus4
492 × 626514505 × 550487
H2SPlus4Difference
Height626 mm550 mm+76 mm
Width492 mm505 mm−13 mm
Depth514 mm487 mm+27 mm
Weight30 kg32 kg−2 kg

Drawn to the same scale from the official dimensions (front and side).

Why is H2S better than Plus4?

  1. Build volume37 L vs 26 L+42%
  2. Max print speed1,000 mm/s vs 600 mm/s+67%
  3. Build height (Z)320 mm vs 280 mm+14%
  4. Build width (X)340 mm vs 305 mm+11%
  5. Build depth (Y)340 mm vs 305 mm+11%
  6. Weight30 kg vs 32 kg+7%

Why is Plus4 better than H2S?

  1. Number of supported materials4 vs 5+25%
Specifications

Side by side

Bambu Lab H2SBambu Lab H2S≈ $1,2009.5
QIDI Plus4QIDI Plus4≈ $1,1008.7
General
TechnologyFDM / FFF (filament)FDM / FFF (filament)
Motion systemCoreXY / XY-headCoreXY / XY-head
Delivered asFully assembled—
All-metal frameYes—
Build volume
Build width (X)340 mm305 mm
Build depth (Y)340 mm305 mm
Build height (Z)320 mm280 mm
Build volume37 L26 L
Speed
Max print speed1,000 mm/s600 mm/s
Max acceleration20,000 mm/s²—
Max volumetric flow65 mm³/s—
Print quality
Automatic bed levelling—Yes
Extruder & hotend
Max nozzle temperature350 °C—
Direct-drive extruderYes—
Default nozzle0.4 mm0.4 mm
Nozzle materialsteel—
Swappable nozzle / hotendYes—
Toolheads1—
Nozzles1—
Filament diameter1.75 mm1.75 mm
Supported materialsABS, PETG, PLA, TPUPLA, ASA, ABS, PETG, TPU
Number of supported materials45
Engineering materials (PA, PC, CF)NoNo
Multi-colour
Multi-colour printingYes—
Max colours / materials4—
Multi-colour systemAMS—
Print bed
Heated bedYesYes
Max bed temperature120 °C—
Enclosure
Enclosed build chamberYes—
Actively heated chamberYes—
Max chamber temperature65 °C—
Air filter (carbon / HEPA)Yes—
Chamber lightYes—
Door sensorYes—
Connectivity & control
ConnectivityWi-Fi, USBWi-Fi, USB
Wi-FiYesYes
EthernetNoNo
USBYesYes
SD cardNoNo
BluetoothNoNo
App controlYes—
Screen size5″—
TouchscreenYesYes
Features
Built-in cameraYes—
Camera resolution2.1 MP—
Power-loss recoveryYes—
Laser engraving moduleYes—
Size & power
Width492 mm505 mm
Depth514 mm487 mm
Height626 mm550 mm
Weight30 kg32 kg
Rated power2,050 W—
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