FoxAlien XE-Ultra Core
#4 in MidsizeFull review
A rigid benchtop machine for someone who wants to mill aluminum and hardwood in a 17 in square. Add a router or spindle to the price.
Amazon $1,399$1,399
The FoxAlien XE-Ultra Core is the better CNC router overall, rated 2.9 to 2.8. The FoxAlien XE-Ultra Core leads on motion. The Twotrees TTC450 Pro wins on price. The Twotrees TTC450 Pro costs $900 less ($499 vs $1,399).
Twotrees TTC450 Pro
#6 in MidsizeFull review
A budget machine with a large bed for engraving signs and light cutting in wood and plastic. Plan on the 500 W spindle upgrade for harder materials.
Amazon $548 Twotrees $499$499
Prices 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.
Which should you buy?
- Choose the FoxAlien XE-Ultra Core for motion (linear rails, screw or rack drive, limit switches, closed-loop steppers vs screw or rack drive, limit switches).
- Choose the Twotrees TTC450 Pro for price ($499 vs $1,399).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every midsize CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | FoxAlien XE-Ultra Core | Twotrees TTC450 Pro |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Price 25% | 43 $1,399 | 100 $499 |
| Work area 15% | 8 299 sq in (17.3 x 17.3 in) | 12 328 sq in (18.1 x 18.1 in) |
| Spindle 15% | 50 spindle power not published (neutral score used) | 9 80 W spindle |
| Motion 20% | 100 linear rails, screw or rack drive, limit switches, closed-loop steppers | 45 screw or rack drive, limit switches |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| FoxAlien XE-Ultra Core | Twotrees TTC450 Pro | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 17.3 x 17.3 x 4.7 in | 18.1 x 18.1 x 3.1 in |
| Area | 299 sq in | 328 sq in |
| Spindle | ||
| Spindle | 65 mm router mount (spindle not included) | 775 brushed DC, ER11 collet |
| Power | - | 80 W |
| Top speed | - | 8,000 rpm |
| Motion and control | ||
| Frame | aluminum extrusion (46 x 80 mm) | aluminum and stainless steel |
| Linear rails | Yes | - |
| Drive | Ball screw | Lead screw |
| Closed-loop steppers | Yes | No |
| Limit switches | Yes | Yes |
| Controller | FoxAlien 32-bit control box | GRBL |
| Offline controller | No | Yes |
| Build | ||
| Weight | - | 34.1 lb |
| Warranty | 1 year | 1 year |
| Released | 2026-01 | 2024-06 |