Onefinity Gen 2 Elite Foreman
#1 in LargeFull review
For a hobby or small business shop that wants closed loop ball screw motion and a long warranty on a 49 x 49.125 in bed. Add a spindle to the price.
Onefinity $2,375$2,375
The Onefinity Gen 2 Elite Foreman is the better CNC router overall, rated 4.1 to 3.5. The Onefinity Gen 2 Elite Foreman leads on warranty and work area. The Sienci LongMill MK3 48x30 wins on motion and price. The Sienci LongMill MK3 48x30 costs $575 less ($1,800 vs $2,375).
Sienci LongMill MK3 48x30
#4 in LargeFull review
For a hobbyist who wants a rigid rail machine with a 49 by 32 inch bed for well under $2,000, and already has or will buy a trim router.
Sienci Labs $1,800$1,800
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 Onefinity Gen 2 Elite Foreman for warranty (5-year warranty vs 1-year warranty) and work area (2,407 sq in (49 x 49.1 in) vs 1,568 sq in (49 x 32 in)).
- Choose the Sienci LongMill MK3 48x30 for motion (linear rails, screw or rack drive, limit switches, closed-loop steppers vs screw or rack drive, limit switches, closed-loop steppers) and price ($1,800 vs $2,375).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large CNC router; a clear win is highlighted. How we rank explains each one.
| Factor weight | Onefinity Gen 2 Elite Foreman | Sienci LongMill MK3 48x30 |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Price 25% | 62 $2,375 | 85 $1,800 |
| Work area 15% | 100 2,407 sq in (49 x 49.1 in) | 48 1,568 sq in (49 x 32 in) |
| Spindle 15% | 50 spindle power not published (neutral score used) | 50 spindle power not published (neutral score used) |
| Motion 20% | 60 screw or rack drive, limit switches, closed-loop steppers | 100 linear rails, screw or rack drive, limit switches, closed-loop steppers |
| Warranty 25% | 100 5-year warranty | 0 1-year warranty |
Specifications
| Onefinity Gen 2 Elite Foreman | Sienci LongMill MK3 48x30 | |
|---|---|---|
| Work area | ||
| Travel (X x Y x Z) | 49 x 49.1 x 6.5 in | 49 x 32 x 5.1 in |
| Area | 2,407 sq in | 1,568 sq in |
| Spindle | ||
| Spindle | 65 mm or 80 mm spindle mount (spindle not included) | 65 mm router or 80 mm spindle mount (router not included) |
| Motion and control | ||
| Linear rails | No | Yes |
| Drive | Ball screw | Lead screw |
| Closed-loop steppers | Yes | Yes |
| Limit switches | Yes | Yes |
| Controller | RealTime CNC RTS-2 (Redline CNC) | SLB-LITE with grblHAL |
| Offline controller | No | - |
| Build | ||
| Weight | - | 80 lb |
| Warranty | 5 years | 1 year |
| Released | 2026-02 | 2026-09 |