๐Ÿ–จ 3D Printer Radar

Bambu Lab H2SvsBambu Lab A1

Same ecosystem (Bambu Lab): Both printers share the same software, slicer, and filament ecosystem. This is a tier step-up comparison โ€” consider whether the extra features justify the price difference.
Bambu Lab H2S
Buy/Wait:Caution

Mid-cycle โ€” watch for announcements before buying

Best for: Professional makers, small studios, and engineers who need dual-material printing โ€” particularly for PVA soluble supports, dual-color engineering parts, or high-throughput production.

Full details โ†’
Bambu Lab A1
Buy/Wait:Wait

Late in cycle โ€” a new model is likely coming soon

Best for: Makers who want large prints and multicolor capability without an enclosure โ€” ideal for PLA, PETG, and flexible materials.

Full details โ†’
Bambu Lab H2SBambu Lab A1
TierProfessionalProsumer
MotionCoreXYBedSlinger
Build Volume350 ร— 320 ร— 325 mm256 ร— 256 ร— 256 mm
Max Speed600 mm/s500 mm/s
Multicolorโœ… 2 slotsโœ… 4 slots
Enclosureโœ…โŒ
Auto Calibrationโœ…โœ…
Open SourceโŒโŒ
Upgrade Kitโ€”โ€”
MaterialsPLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC, PETG-CFPLA, PETG, TPU, ABS
ReleasedJun 15, 2025Oct 19, 2023
Cycle length~270 days~365 days
Cycle adviceCautionWait
Deals adviceCautionBuy
Next modelH2C (Expected late 2026)A1 2026 Refresh (Expected Q4 2026)

Why buy each?

Bambu Lab H2S

Improved over H2D

The H2S adds better high-speed cooling and more consistent layer adhesion at 600 mm/s, addressing key H2D pain points.

No waste purging needed

Dual-nozzle printing eliminates the purge tower required by filament-switching systems โ€” faster prints, less wasted filament.

Soluble support capability

Print PLA + PVA or ABS + HIPS combinations for complex geometries that would be impossible with a single material.

Bambu Lab A1

Full AMS multicolor

Unlike the A1 Mini's AMS Lite, the A1 Combo includes the full AMS with support for a wider range of filament types.

256ร—256ร—256 mm build volume

The largest build volume available in a Bambu bed-slinger โ€” great for terrain, large cosplay props, and functional parts.

Bambu ecosystem integration

Works with Bambu Studio, Bambu Handy app, and the full Bambu filament ecosystem including multi-material profiles.