Avid CNC
Spec
Sienci Labs
$2800
Price
$1200
660 × 961 mm
Work area
762 × 762 mm
152 mm
Z travel
114 mm
710 W
Spindle power
710 W
120 kg
Weight
26 kg
Aluminum frame with profile linear guides and ball screws on all axes
Frame
Steel and aluminum with anti-backlash lead screws
Avid CNC control system running Centroid CNC12; motor and control package selected when ordering
Controller
LongBoard (GRBL-based, custom)
Centroid CNC12, Fusion 360, VCarve, Aspire
Software
gSender, UGS, CNCjs, Easel
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 Avid CNC Benchtop Pro 2436

Avid CNC Benchtop Pro 2436 wins 3 of 4 spec categories. Sienci Labs LongMill MK2 30x30 costs $1,600 less. Avid CNC Benchtop Pro 2436 leads by 4 points overall — here’s where those points come from:

Benchmark Scores

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

80
Avid CNC

Overall

76
Sienci Labs
42 Value 72
88 Rigidity 58
90 Precision 62
40 Ease of use 85
82 Capability 60

Avid CNC Benchtop Pro 2436

Pros

  • Industrial-grade linear rails and ball screws
  • Aluminum frame with profile linear guides and ball screws on every axis
  • Designed for wood, plastics and non-ferrous metal work with a suitable spindle and tooling
  • True CNC motion controller (not GRBL) for advanced features

Cons

  • Expensive for the work area offered
  • Spindle, control package and work surface affect the complete-system cost
  • CNC12 setup and learning the machine still take time
  • Requires a suitable Windows control PC for CNC12
  • Assembly is more involved than consumer machines

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

  • Router not included adds to total cost
  • Assembly takes 4-6 hours
  • Lead screws are slower than belt drives for rapids
  • Dust shoe is an optional extra

Verdict

These routers are evenly matched with 4 wins each. The right choice depends on your specific priorities — compare individual specs and scores above to decide.

Where to Buy

Price-first merchant links with the clearest reason to click first.

Avid CNC Benchtop Pro 2436

$2800

Sienci Labs LongMill MK2 30x30

$1200

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Frequently Asked Questions

What is the difference between Avid CNC Benchtop Pro 2436 and Sienci Labs LongMill MK2 30x30?

The Avid CNC Benchtop Pro 2436 ($2,800) features a 710W spindle with a 660×961mm work area and a Aluminum frame with profile linear guides and ball screws on all axes frame. 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. Both machines are evenly matched overall.

Which is better value for money — Avid CNC Benchtop Pro 2436 or Sienci Labs LongMill MK2 30x30?

The Sienci Labs LongMill MK2 30x30 is $1,600 cheaper at $1,200 vs $2,800. Our value scores rate the Sienci Labs LongMill MK2 30x30 higher at 72/100.

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 40/100). Both support Mach4, Fusion 360, VCarve among other software options.

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