

Our Pick: Sienci Labs LongMill MK2 30x30
It scores 76/100 overall versus 70/100, winning 5 out of 9 comparison categories.
MillRight Mega V 2 XL CNC Router wins 3 of 4 spec categories. Sienci Labs LongMill MK2 30x30 costs $1,499 less. Sienci Labs LongMill MK2 30x30 leads by 6 points overall — here’s where those points come from:
Benchmark Scores
Side-by-side score comparison across all five benchmark dimensions.
Overall
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
- Needs a 1067 x 1257 mm (42 x 49.5 inch) footprint plus working room around it
- Assembly takes 4-6 hours
- Lead screws are slower than belt drives for rapids
- Dust shoe is an optional extra
MillRight Mega V 2 XL CNC Router
Pros
- 889 x 889 mm (35 x 35 inch) cutting area with a 159 mm (6.25 inch) Z stroke
- Linear profile rails on all axes replace the original XL's X/Y V-wheels
- Steel rack-and-pinion X/Y drive with self-squaring dual Y motors and standard homing switches
- Vacuum plenum bed and a stand with steel braces are offered for this size
- Same frame takes Masso G3 control, 1.5 or 2.2 kW spindles, a 4th axis or a laser later
Cons
- The $2,699 XL price has no router, router mount, bed or stand
- Needs a 1067 x 1257 mm (42 x 49.5 inch) footprint plus working room around it
- Kit assembly is required
- The 2.2 kW spindle options need a 220 V supply
- Few independent owner reviews of the Mega V 2 are available yet
Verdict
Sienci Labs LongMill MK2 30x30 wins this comparison with 5 categories to 4.
It scores 76/100 overall versus 70/100, winning 5 out of 9 comparison categories.
Where to Buy
Price-first merchant links with the clearest reason to click first.
Sienci Labs LongMill MK2 30x30
$1200MillRight Mega V 2 XL CNC Router
$2699As 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 Sienci Labs LongMill MK2 30x30 and MillRight Mega V 2 XL CNC Router?
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. The MillRight Mega V 2 XL CNC Router ($2,699) features a 1500W spindle with a 889×889mm work area and a Heavy-duty aluminum extrusion frame and gantry with thicker joining plates; linear profile rails on all axes, steel rack-and-pinion X/Y drive with independently driven Y motors, screw-driven Z. Overall, the Sienci Labs LongMill MK2 30x30 wins more comparison categories.
Which is better value for money — Sienci Labs LongMill MK2 30x30 or MillRight Mega V 2 XL CNC Router?
The Sienci Labs LongMill MK2 30x30 is $1,499 cheaper at $1,200 vs $2,699. Our value scores rate the MillRight Mega V 2 XL CNC Router higher at 82/100.
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 58/100). Both support gSender, UGS, CNCjs among other software options.
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