

Our Pick: CNC 3040 Router (AliExpress)
It scores 64/100 overall versus 56/100, winning 6 out of 9 comparison categories.
MPCNC Primo (Mostly Printed CNC) wins 3 of 5 spec categories. MPCNC Primo (Mostly Printed CNC) costs $117 less. CNC 3040 Router (AliExpress) leads by 8 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
- 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
MPCNC Primo (Mostly Printed CNC)
Pros
- Extremely low cost with 3D printed parts
- Customizable work area size
- Active community and thorough documentation
- Can be configured as CNC router, laser cutter, or pen plotter
- Great educational project for learning CNC mechanics
Cons
- Print the plastic parts yourself or buy a printed-parts set
- Rigidity is limited by conduit tube frame
- Longer tubes and greater Z height reduce rigidity; size the build for the work
- Requires fabrication, assembly, wiring and calibration; build time varies
- Aluminum is possible with an appropriate build and setup; larger work areas reduce rigidity
Verdict
CNC 3040 Router (AliExpress) wins this comparison with 6 categories to 3.
It scores 64/100 overall versus 56/100, winning 6 out of 9 comparison categories.
Where to Buy
Price-first merchant links with the clearest reason to click first.
CNC 3040 Router (AliExpress)
$350MPCNC Primo (Mostly Printed CNC)
$233As 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 MPCNC Primo (Mostly Printed CNC)?
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 MPCNC Primo (Mostly Printed CNC) ($233) features a 660W spindle with a 600×600mm work area and a 3D printed parts + EMT conduit/stainless steel tubing frame. Overall, the CNC 3040 Router (AliExpress) wins more comparison categories.
Which is better value for money — CNC 3040 Router (AliExpress) or MPCNC Primo (Mostly Printed CNC)?
The MPCNC Primo (Mostly Printed CNC) is $117 cheaper at $233 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 CNC 3040 Router (AliExpress) scores higher (30/100 vs 25/100). Both support Mach3 or the supplied USB CNC software, where specified, Candle or UGS only for a verified GRBL controller among other software options.