Our Pick: Sienci Labs LongMill MK2 30x30

It scores 76/100 overall versus 62/100, winning 6 out of 9 comparison categories.

Sienci Labs
Spec
YoraHome Silverback
$1200
Price
$1699
762 × 762 mm
Work area
1000 × 1000 mm
114 mm
Z travel
100 mm
710 W
Spindle power
500 W
26 kg
Weight
59.9 kg
Steel and aluminum with anti-backlash lead screws
Frame
Aluminum extrusion with V-wheels and lead screws
LongBoard (GRBL-based, custom)
Controller
GRBL controller in a separate control box; exact firmware revision not verified
gSender, UGS, CNCjs, Easel
Software
Candle, UGS, CNCjs, LightBurn (optional laser only)
Sienci Labs LongMill MK2 30x30 is no longer sold new. Sienci Labs replaced the LongMill MK2 with the MK3, which adds linear rails and closed-loop motors. Closest current alternative: Sienci Labs LongMill MK3 30x30 (from $1,400) · Sienci Labs LongMill MK3 30x30 vs YoraHome SilverBack 1x1m CNC Router

Sienci Labs LongMill MK2 30x30 wins 3 of 5 spec categories. Sienci Labs LongMill MK2 30x30 costs $499 less. Sienci Labs LongMill MK2 30x30 leads by 14 points overall — here’s where those points come from:

Benchmark Scores

Side-by-side score comparison across all five benchmark dimensions.

76
Sienci Labs

Overall

62
YoraHome Silverback
72 Value 78
58 Rigidity 32
62 Precision 45
85 Ease of use 62
60 Capability 52

Sienci Labs LongMill MK2 30x30

Pros

  • Excellent build quality with steel and aluminum construction
  • Anti-backlash lead screws on all axes
  • Outstanding documentation and video tutorials
  • gSender software is purpose-built and beginner-friendly
  • Strong community and Canadian customer support

Cons

  • A trim-router upgrade is an extra purchase beyond the supplied 500W spindle
  • Assembly takes 4-6 hours
  • Lead screws are slower than belt drives for rapids
  • Dust shoe is an optional extra

YoraHome SilverBack 1x1m CNC Router

Pros

  • Large 1000x1000mm work area at a competitive price
  • Lead-screw drive on all axes
  • YoraHome provides reasonable documentation and video tutorials
  • Supplied 65mm mount supports compatible Makita RT0700/RT0701 router upgrades
  • Good platform for sign-making and large wood projects

Cons

  • A trim-router upgrade is an extra purchase beyond the supplied 500W spindle
  • The large frame needs a flat supporting surface and careful alignment
  • V-wheels need correct adjustment and clean running surfaces
  • Assembly and alignment are still required despite the preassembled modules

Verdict

Sienci Labs LongMill MK2 30x30 wins this comparison with 6 categories to 3.

It scores 76/100 overall versus 62/100, winning 6 out of 9 comparison categories.

Where to Buy

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Frequently Asked Questions

What is the difference between Sienci Labs LongMill MK2 30x30 and YoraHome SilverBack 1x1m CNC Router?

The Sienci Labs LongMill MK2 30x30 ($1,200) features a 710W spindle with a 762×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. The YoraHome SilverBack 1x1m CNC Router ($1,699) features a 500W spindle with a 1000×1000mm work area and a Aluminum extrusion with V-wheels and lead screws frame. Overall, the Sienci Labs LongMill MK2 30x30 wins more comparison categories.

Which is better value for money — Sienci Labs LongMill MK2 30x30 or YoraHome SilverBack 1x1m CNC Router?

The Sienci Labs LongMill MK2 30x30 is $499 cheaper at $1,200 vs $1,699. Our value scores rate the YoraHome SilverBack 1x1m CNC Router higher at 78/100.

Which router is easier to set up and use?

Based on our ease-of-use benchmarks, the Sienci Labs LongMill MK2 30x30 scores higher (85/100 vs 62/100). Both support gSender, UGS, CNCjs among other software options.

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