The Prusa Research MK4S and Sovol SV08 are cross-brand rivals: both are prosumer-tier printers, listed $200 apart. Both are open-frame printers with automatic calibration. The MK4S costs $200 more, without a hardware advantage on the specs we track; the SV08 answers with 266% more build volume and a top speed of 700 mm/s (vs 500).
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 →First-generation product — no release history to base predictions on
Best for: Klipper enthusiasts, Voron fans who want a pre-built shortcut, and makers who want maximum build volume and open-source firmware at a prosumer price — without the DIY build time of a true Voron kit.
Full details →| Prusa Research MK4S | Sovol SV08 | |
|---|---|---|
| Pricing | ||
| Starting Price | $729 | ★ $529 |
| Print Specs | ||
| Tier | Prosumer | Prosumer |
| Motion | BedSlinger | CoreXY |
| Build Volume | 250 × 210 × 220 mm | ★ 350 × 350 × 345 mm |
| Max Speed | 500 mm/s | ★ 700 mm/s |
| Multicolor | ❌ No | ❌ No |
| Enclosure | ❌ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ✅ | ✅ |
| Upgrade Kit | 🔧 From MK4, MK3.5 | — |
| Buy Timing | ||
| Released | Aug 13, 2024 | Jun 1, 2024 |
| Cycle length | ~730 days | — |
| Cycle advice | Upgrade Kit | Caution |
| Deals advice | Buy | Buy |
| Next model | — | — |
The MK4S was released on Aug 13, 2024, 821 days ago. Its previous release cycle ran about 730 days; it is now 91 days past that point and no successor has been announced.
The SV08 was released on Jun 1, 2024, 894 days ago. It is a first-generation product, so there is no earlier cycle to predict its successor from.
Neither is a clear buy-now on timing, so watch for announcements before committing.
Cycle and deal status as of November 12, 2026. See the launch calendar →
The SV08 lists at $529 and the MK4S at $729 — $200 apart, so the MK4S costs 38% more.
Per litre of build volume, that works out to $63 for the MK4S versus $13 for the SV08 — the SV08 is both cheaper and roomier, so it wins on value outright.
If you are buying before Dec 5, 2026, the active sale tips value toward the SV08.
Our pick for most buyers is the SV08, for a lower price ($200 less) and 266% more build volume. Go for the MK4S instead if you want our higher-rated printer — 8.9 vs 8.1 out of 10. The SV08 is also in a sale window right now (Black Friday 2026, until Dec 5, 2026).
How we judge timing and deals: read our methodology →
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.
7 linear rails, 4 independent Z motors with Quad-Gantry Leveling, and a flying CoreXY gantry — the core architecture of the Voron 2.4, pre-assembled and ready to print.
Ships with Klipper pre-configured with Input Shaper, Pressure Advance, adaptive mesh bed leveling, and Obico remote monitoring — no configuration required to start printing.
One of the largest open-frame CoreXY build volumes at this price tier. The AC-powered bed heats quickly and handles ABS, ASA, PC, and PA with a 300°C capable hotend.