This printer is no longer sold new. It has been replaced by the Bambu Lab P2S.
Best for: Makers who need an enclosed printer for ABS, ASA, PA, and PC at prosumer price — now available at clearance pricing after P2S launch.
Full details →Late in cycle — but an upgrade kit is available. Existing owners can upgrade without buying new
🔧 Upgrade kit available — from MK4, MK3.5
Best for: Makers who value open-source hardware, community support, long-term repairability, and battle-tested reliability over raw speed or multicolor features.
Full details →| Bambu Lab P1S | Prusa Research MK4S | |
|---|---|---|
| Tier | Prosumer | Prosumer |
| Motion | CoreXY | BedSlinger |
| Build Volume | 256 × 256 × 256 mm | 250 × 210 × 220 mm |
| Max Speed | 500 mm/s | 500 mm/s |
| Multicolor | ✅ 4 slots | ❌ No |
| Enclosure | ✅ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ✅ |
| Upgrade Kit | — | 🔧 From MK4, MK3.5 |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC | PLA, PETG, ABS, ASA, TPU, PA, PC |
| Released | Jul 5, 2023 | Mar 20, 2024 |
| Cycle length | ~335 days | ~730 days |
| Cycle advice | Superseded | Upgrade Kit |
| Deals advice | Clearance | Buy |
| Next model | — | Prusa MK5 (Expected 2027) |
Active chamber temperature control enables reliable ABS, ASA, PA, and PC printing without warping.
500 mm/s print speed with Bambu's vibration compensation delivers fast, accurate prints.
With the P2S released, P1S prices are at their lowest — an opportunity for budget-conscious buyers.
MK4 and MK3.5 owners can upgrade to MK4S specs without purchasing a whole new printer. This is Prusa's commitment to owners and is unique in the industry at this level.
Firmware, PCB schematics, hardware designs, and slicing profiles are all published under open licenses. You own the printer completely.
Prusa's forum, knowledge base, and repair guides are unmatched. Parts are stocked and available for years after purchase.