Our Pick: Sienci Labs LongMill MK2 48x30
It scores 74/100 overall versus 64/100, winning 6 out of 10 comparison categories.
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
Sienci Labs LongMill MK2 48x30
Pros
- Large 48x30 inch work area handles full-width projects
- Same excellent documentation as the 30x30 model
- Anti-backlash lead screws on all axes
- gSender software is beginner-friendly and well-maintained
- Responsive Canadian customer support
Cons
- Router not included adds to total cost
- Larger span reduces rigidity compared to 30x30
- Requires significant workspace footprint
- Heavier and more complex assembly
- Lead screw speed limits rapids on longer axis
Verdict
Sienci Labs LongMill MK2 48x30 wins this comparison with 6 categories to 4.
It scores 74/100 overall versus 64/100, winning 6 out of 10 comparison categories.
Where to Buy
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CNC 3040 Router (AliExpress)
$350Sienci Labs LongMill MK2 48x30
$1400As an Amazon Associate, CNCRouterInfo earns from qualifying purchases at no extra cost to you.
Frequently Asked Questions
What is the difference between CNC 3040 Router (AliExpress) and Sienci Labs LongMill MK2 48x30?
The CNC 3040 Router (AliExpress) ($350) features a 800W spindle with a 300×400mm work area and a Cast aluminum frame. The Sienci Labs LongMill MK2 48x30 ($1400) features a 710W spindle with a 1219×762mm work area and a Steel and aluminum with anti-backlash lead screws frame. Overall, the Sienci Labs LongMill MK2 48x30 wins more comparison categories.
Which is better value for money — CNC 3040 Router (AliExpress) or Sienci Labs LongMill MK2 48x30?
The CNC 3040 Router (AliExpress) is $1050 cheaper at $350 vs $1400. 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 Sienci Labs LongMill MK2 48x30 scores higher (82/100 vs 30/100). Both support Mach3, Candle, UGS among other software options.