🖨 3D Printer Radar

Bambu Lab H2SvsQidi Tech Plus4

💰Qidi Tech Plus4 is $550 cheaper (79% less)
📐Bambu Lab H2S has 42% more build volume
⚡Bambu Lab H2S tops out at 1000 mm/s vs 600 mm/s
Cross-ecosystem comparison: These printers use different software ecosystems. Accessories, filament profiles, and community support are not interchangeable between brands. Consider the total ecosystem cost, not just the printer price.
Bambu Lab H2S
Buy/Wait:Caution

Mid-cycle — watch for announcements before buying

Best for: Professional makers and studios who need Bambu's largest enclosed build volume for high-throughput production, engineering materials, and optional AMS multicolor — without the complexity of dual-nozzle printing.

Full details →
Qidi Tech Plus4
Buy/Wait:Superseded

This printer is no longer sold new. It has been replaced by the Qidi Tech Plus5.

Best for: Makers and small businesses who need a large enclosed build volume for engineering materials at a prosumer price — particularly those printing PA-CF, ABS, and PC at scale. Look for clearance deals — the Plus5 is the current model.

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Bambu Lab H2SQidi Tech Plus4
Pricing
Starting Price$1,249★ $699
Print Specs
TierProfessionalProsumer
MotionCoreXYCoreXY
Build Volume★ 340 × 320 × 340 mm305 × 305 × 280 mm
Max Speed★ 1000 mm/s600 mm/s
Multicolor✅ 4 slots✅ 4 slots
Enclosure✅✅
Auto Calibration✅✅
Open Source❌❌
Upgrade Kit——
Buy Timing
ReleasedAug 26, 2025Sep 20, 2024
Cycle length~730 days~408 days
Cycle adviceCautionSuperseded
Deals adviceBuyClearance
Next model——

Quick Winner

💰
Budget pick
Qidi Tech Plus4
$699 starting
📐
Large prints
Bambu Lab H2S
340×320×340 mm
⚡
Fastest prints
Bambu Lab H2S
1000 mm/s
🔓
Open ecosystem
Tie

Bottom Line

💰Qidi Tech Plus4 saves you $550 — choose it if budget is your primary constraint

Materials

Bambu Lab H2S only
PETG-CFCarbon-fibre PETG — stiffer than PETG, easy to print
PPSHigh-performance — chemical and heat resistant
Both
PLAEasy to print, no enclosure needed — everyday parts
PETGTougher, slightly flexible, moisture-resistant
ABSHeat and impact resistant — needs enclosure
ASAUV-stable ABS alternative — outdoor parts, needs enclosure
TPUFlexible rubber-like — phone cases, gaskets, wheels
PANylon — strong and wear-resistant, needs dry storage
PA-CFCarbon-fibre nylon — very stiff, abrasive to standard nozzles
PCPolycarbonate — extremely tough, challenging to print
Qidi Tech Plus4 only
PPS-CFExtreme temperature and chemical resistance

Why buy each?

Bambu Lab H2S

340×320×340 mm — Bambu's largest build volume

The H2S offers more than twice the print volume of the X2D. At 1000 mm/s it is also among Bambu's fastest printers, making it the top choice for high-throughput professional production.

Active 65°C chamber heating

The enclosed chamber with active heating handles the full engineering filament spectrum — ABS, ASA, PA, PA-CF, PC, and PPS — with consistent results across the full build plate.

Up to 24-color AMS multicolor

The H2S supports up to 12 AMS units (4 AMS 2 Pro + 8 AMS HT), enabling 24-filament printing for large-format multicolor production.

Qidi Tech Plus4

305×305×280 mm build volume

One of the largest build volumes in the prosumer enclosed category — 40% more printable area than the Bambu X1C at a lower price point.

Active 65°C chamber heating

The second-generation active heating delivers consistent chamber temperatures for PA, PA-CF, ABS, ASA, and PC with minimal warping across the full build plate.

370°C bimetal hotend

Handles high-performance engineering composites including PA-CF, PET-CF, and PPS-CF without requiring a separate hotend upgrade.