H2S
“Bambu's biggest, for people who print large and print tough.”
Will’s take Solid choice
- Compare
- H2S vs Max4
Bambu Lab H2S vs QIDI Max4
Max4
“A huge, heated, fast printer for serious parts.”
Will’s take Solid choice
The short version
- The Max4 costs $100 less.
- The Max4 holds 1.4× the build volume.
- The H2S is rated faster: 1000 mm/s against 800.
- The H2S handles up to 24 colours, against 16.
By the numbers
Side by side, drawn to scale
- Bambu Lab H2S
- QIDI Max4
Price
Build volume
Top speed
Max colours
Bed size from above
- H2S 340 × 320
- Max4 390 × 390
Full specs
Marked where one is clearly aheadSpec for spec
| Spec | Bambu Lab H2S | QIDI Max4 |
|---|---|---|
| Price | $1,199 | $1,099 |
| Released | August 2025 | November 2025 |
| Technology | Filament (FDM) | Filament (FDM) |
| Motion system | CoreXY | CoreXY |
| Build volume | 340 × 320 × 340 mm | 390 × 390 × 340 mm |
| Top speed | 1000 mm/s | 800 mm/s |
| Acceleration | 20,000 mm/s² | 30,000 mm/s² |
| Max colours | 24 (AMS 2 Pro / AMS HT) | 16 (QIDI Box (optional)) |
| Frame | Heated chamber | Heated chamber |
| Hotend, max | 350 °C | 370 °C |
| Bed, max | 120 °C | 120 °C |
| Chamber heating | 65 °C | 65 °C |
| Weight | 30 kg | 40 kg |
| Materials | PLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS, CF/GF composites (PLA, PETG, PA, PET, PC, ABS, ASA, PPA, PPS) | PLA, ABS, ASA, PETG, TPU, PA, PC, CF/GF composites |