Our Pick: CNC 3040 Router (AliExpress)
It scores 64/100 overall versus 48/100, winning 8 out of 10 comparison categories.
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.
Overall
CNC 3040 Router (AliExpress)
Pros
- 800W water-cooled spindle at budget price
- Cast aluminum frame is rigid
- Can cut aluminum and brass
- Huge aftermarket parts ecosystem
Cons
- Quality varies hugely between sellers
- May need rewiring for safety
- Documentation is often poor or in Chinese
- Shipping takes 2-6 weeks
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
Price-first merchant links with the clearest reason to click first.
CNC 3040 Router (AliExpress)
$350Sainsmart Genmitsu 3018 MX3
$190As an Amazon Associate I earn from qualifying purchases. Affiliate links may earn a commission at no extra cost.
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 Cast aluminum 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, Candle, UGS among other software options.