Our Pick: CNC 3040 Router (AliExpress)

It scores 64/100 overall versus 48/100, winning 8 out of 10 comparison categories.

CNC 3040
Spec
Sainsmart Genmitsu
$350
Price
$190
300 × 400 mm
Work area
300 × 180 mm
55 mm
Z travel
45 mm
800 W
Spindle power
120 W
25 kg
Weight
7.8 kg
Seller-dependent aluminum construction and motion hardware; check the exact model
Frame
Aluminum extrusion
Seller-specific controller and firmware; verify before choosing control software
Controller
GRBL 1.1
Mach3 or the supplied USB CNC software, where specified, Candle or UGS only for a verified GRBL controller
Software
Candle, LightBurn, LaserGRBL
Sainsmart Genmitsu 3018 MX3 is no longer sold new. SainSmart no longer lists the 3018-MX3 in its store. Closest current alternative: Sainsmart Genmitsu 3018 PROVer V2 (from $269) · Sainsmart Genmitsu 3018 PROVer V2 vs CNC 3040 Router (AliExpress)

CNC 3040 Router (AliExpress) wins 4 of 5 spec categories. Sainsmart Genmitsu 3018 MX3 costs $160 less. CNC 3040 Router (AliExpress) leads by 16 points overall — here’s where those points come from:

Benchmark Scores

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

64
CNC 3040

Overall

48
Sainsmart Genmitsu
92 Value 84
62 Rigidity 22
50 Precision 38
30 Ease of use 80
58 Capability 16

CNC 3040 Router (AliExpress)

Pros

  • Water-cooled spindle versions are available; verify the chosen listing
  • Compact aluminum-frame variants suit a small workshop
  • Some configurations are advertised for aluminium and brass

Cons

  • Hardware and supplied equipment differ between sellers
  • Verify electrical condition and emergency-stop operation before use
  • Check that the seller supplies a usable manual and controller instructions

Sainsmart Genmitsu 3018 MX3

Pros

  • Affordable entry point from a reputable brand
  • Large Sainsmart community and documentation
  • Compatible with laser module upgrades
  • Improved aluminum extrusion frame over older 3018 models

Cons

  • Very small 300x180mm work area
  • Weak spindle limited to soft materials
  • Frame flexibility causes chatter on harder materials
  • Limited upgrade path beyond laser modules

Verdict

CNC 3040 Router (AliExpress) wins this comparison with 8 categories to 2.

It scores 64/100 overall versus 48/100, winning 8 out of 10 comparison categories.

Where to Buy

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Frequently Asked Questions

What is the difference between CNC 3040 Router (AliExpress) and Sainsmart Genmitsu 3018 MX3?

The CNC 3040 Router (AliExpress) ($350) features a 800W spindle with a 300×400mm work area and a Seller-dependent aluminum construction and motion hardware; check the exact model frame. The Sainsmart Genmitsu 3018 MX3 ($190) features a 120W spindle with a 300×180mm work area and a Aluminum extrusion frame. Overall, the CNC 3040 Router (AliExpress) wins more comparison categories.

Which is better value for money — CNC 3040 Router (AliExpress) or Sainsmart Genmitsu 3018 MX3?

The Sainsmart Genmitsu 3018 MX3 is $160 cheaper at $190 vs $350. Our value scores rate the CNC 3040 Router (AliExpress) higher at 92/100.

Which router is easier to set up and use?

Based on our ease-of-use benchmarks, the Sainsmart Genmitsu 3018 MX3 scores higher (80/100 vs 30/100). Both support Mach3 or the supplied USB CNC software, where specified, Candle or UGS only for a verified GRBL controller among other software options.

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