A budget 4040 with ball screws, rails and closed loop motors for a buyer who wants rigidity for the money. The thin documentation and unstated warranty are the trade.
Amazon $679.90
A rigid small format machine for hobbyists who want to cut aluminum and brass as well as wood. Pick it over a bigger belt drive machine when accuracy matters more than bed size.
- 15.7 x 15.7 x 5.1 inWork area
- 710 WSpindle
- Ball screwDrive
- YesLinear rails
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Linear rails and ball screws on all three axes hold accuracy in aluminum where rod and V-wheel machines chatter
- 130 mm of Z travel handles thick hardwood blanks and deep relief carving
- Runs jobs from an SD card or a phone over WiFi, so no PC has to stay connected
- Ships about 90% assembled, so setup takes minutes rather than an afternoon
- The 15.7 in square bed is too small for most furniture parts or large signs
- At 88 lb it needs a sturdy bench and two people to move
- Only a one year warranty on a machine near $900
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 4040 Nova |
|---|---|
| Work area | |
| Travel (X x Y x Z) | 15.7 x 15.7 x 5.1 in |
| Area | 246 sq in |
| Spindle | |
| Spindle | 710W 6 speed trim router, ER11 collet, 65 mm mount |
| Power | 710 W |
| Top speed | 30,000 rpm |
| Motion and control | |
| Frame | aluminum |
| Linear rails | Yes |
| Drive | Ball screw |
| Closed-loop steppers | No |
| Limit switches | Yes |
| Controller | Grbl_ESP32 (GRBL 1.3a) |
| Offline controller | Yes |
| Build | |
| Weight | 88 lb |
| Warranty | 1 year |
Alternatives in this size
The 4040 to buy for someone who wants to cut real projects in wood and soft metal from day one, with a proper router in the box. Those who only engrave can save with the 4040-PRO.
Amazon $959 SainSmart $949A first CNC for engraving, PCBs and small signs at the lowest price from an established brand. Buyers who want to cut hardwood or aluminum should look at a 4040 class machine.
Amazon $269 SainSmart $219Compare
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