A good value step up from 3018 class machines for someone who wants a real spindle and an 18 in bed without spending $1,000.
Amazon $799 Twotrees $699The Twotrees TTC450 Ultra rates 3.2 among midsize CNC routers; the Genmitsu PROVerXL 4030 V2 rates 2.7 among compact ones. The Twotrees TTC450 Ultra costs $700 less ($699 vs $1,399).

A rigid small format machine for makers who value ball screw accuracy and closed loop motors over bed size. Buyers who want more area for the money should compare 4040 machines.
Amazon $1,399Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (midsize and compact), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Twotrees TTC450 Ultra | Genmitsu PROVerXL 4030 V2 |
|---|---|---|
| Overall rating | 3.2/5 | 2.7/5 |
| Price 25% | 81 $699 | 16 $1,399 |
| Work area 15% | 12 328 sq in (18.1 x 18.1 in) | 62 186 sq in (15.8 x 11.8 in) |
| Spindle 15% | 66 500 W spindle | 59 400 W spindle |
| Motion 20% | 85 linear rails, screw or rack drive, limit switches | 60 screw or rack drive, limit switches, closed-loop steppers |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Twotrees TTC450 Ultra | Genmitsu PROVerXL 4030 V2 | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 18.1 x 18.1 x 3.9 in | 15.8 x 11.8 x 4.3 in |
| Area | 328 sq in | 186 sq in |
| Spindle | ||
| Spindle | 500 W spindle, ER11 collet | DC spindle, 52 mm |
| Power | 500 W | 400 W |
| Top speed | 12,000 rpm | 10,000 rpm |
| Motion and control | ||
| Frame | aluminum and stainless steel | aluminum extrusion with hybrid spoilboard |
| Linear rails | Yes | No |
| Drive | Lead screw | Ball screw |
| Closed-loop steppers | - | Yes |
| Limit switches | Yes | Yes |
| Controller | GRBL (LKS CNC V1.0 board) | GRBL 1.1h |
| Offline controller | Yes | No |
| Build | ||
| Weight | 41.9 lb | 70 lb |
| Warranty | 1 year | 1 year |
| Released | 2025-06 | 2023-06 |