Monport · Fiber
Monport GT Fiber · 50W
50W Split fiber laser engraver with autofocus from Monport
All Monport models →Add to compare →
Last updated How we evaluate
Choose a power option
Details below update for the selected power option.
Showing specs for: 50W
TL;DR
Monport GT 50W Fiber is the 50W SKU on the Monport monport gt line. Monport GT 30W brings split-cabinet fiber marking with autofocus: useful for varying part heights. Verify optical power on the listing: do not assume combined-watt marketing.
Best for
What makes this machine stand out
Hardware and workflow features worth understanding before you buy : not just wattage on a label.
200 × 200 mm field
Monport fits the GT 50W with the largest lens of the GT range. More parts per batch on a fixture plate, or larger plaques in one pass without stitching.
More energy per pulse
1.25 mJ per pulse against 0.75 mJ on the GT 30W, with a 20–80 kHz frequency range. Deeper logos and multi-pass cut-outs finish faster, at the same 10,000 mm/s top speed.
Our verdict
Ideal if you
Monport GT Fiber 50W fits shops that mark stainless, aluminum, and tools daily without a CO₂ bay. A solid bench option for jewelry, tags, and small batches.
Skip if you
Skip if wood, leather, or cast acrylic pay your bills. Deep metal cutting and large industrial panels often need more fiber headroom (60W or 100W) or a different machine class.
Pros
- Largest field in the GT line: 200 × 200 mm, per Monport's spec table
- 1.25 mJ pulse energy, about 65% more than the entry GT
- Same 0.10 mm listed marking depth as the GT 60W MOPA for about $1,100 less
Cons
- No colour marking: fixed 100–140 ns pulse from a Q-switched source
- Beam quality listed at M² below 1.8, slightly looser than the entry GT's below 1.5
- Pre-order and in-stock prices differ ($3,529.99 vs $3,599.99 in October 2026): check shipping dates
What this machine is for
Production-leaning fiber marking for small businesses
Mid-power fiber for shops marking metal daily
Laser spot size
~0.02 mm spot
Motion precision: 0.01 mm
Sample engrave job
~3–8 min
10 × 10 cm (4 × 4 in)
Sample cut job
Not a cutter
Reference benchmark: same job size on every machine so you can compare times fairly. Times are estimates for the reference job above; your design complexity and settings will change them.
Materials
- · Stainless steel
- · Aluminum
- · Brass
- · Plastics
Accessories & add-ons
Typical inclusions and add-ons for this profile : confirm your SKU.
- Optional
Enclosure / cabinet
Third-party enclosure improves smoke control and safety
- Recommended
Laser safety glasses
~450 nm diode: OD rated for your wavelength
- Recommended
Fire extinguisher
Editorial guidance : not a live parts list. See also: Ventilation setup · Safety basics
Practical notes
Beginner notes
This profile is the 50W SKU on Monport GT Fiber. Read the TL;DR and benchmarks above, then compare other power options via the chips before buying.
Pro tips
Batch similar jobs to reduce setup. Use rotary only when quotes include cylinder work: it slows flat-stock days.
Pro / technical specsRaw numbers for experienced users comparing machines.
- Max speed (spec)
- 7,000 mm/s
- Avg engrave speed
- 500–2,000 mm/s marking
- Avg cut speed
- N/A
Common questions
What does the GT 50W add over the GT 30W?
Pulse energy and field size. Monport lists 1.25 mJ per pulse (0.75 mJ on the GT 30W), a wider 20–80 kHz frequency range, a 200 × 200 mm engraving area and a maximum marking depth of 0.10 mm. In our benchmark, a filled 10 × 10 cm logo on stainless takes about 3–8 minutes, against 4–11 on the 30W.
Can the GT 50W cut thin sheet metal?
Monport claims cuts on thin metals under 3 mm for the GT series but publishes no per-model chart. The extra pulse energy makes multi-pass cut-outs in thin brass, stainless or aluminum quicker than on the 30W; expect many passes as you approach the top of that range, and use a dedicated fiber cutter for regular sheet work.
GT 50W or GT 60W MOPA?
The GT 50W costs $3,529.99–3,599.99 on Monport's store (October 2026), about $1,100 less than the GT 60W MOPA at $4,699.99. Both list 0.10 mm marking depth. Pay for the MOPA only if you need colour on stainless or finer pulse control for plastics and anodized aluminum; for black marking and depth, the 50W is the better value.
Alternatives to the Monport GT 50W Fiber
Machines in the same space, picked from our database by type, price, and score.
Gweike · Fiber · $2,799 – $3,999
Gweike G6 Split is a larger fiber marking platform with separate laser source cabinet: common format for small production. Available up to 100W; this profile covers the popular 30W tier.
ComMarker · Fiber · $3,099 – $3,966
ComMarker B6 adds MOPA fiber for color effects on stainless and finer control on deep metal engraving. Step up from B4 for shops that need color marking or faster production.
Monport · Fiber · $5,000 – $5,200
Monport GA 100W MOPA targets serious metal engraving shops needing deep marks and color on stainless. Industrial pricing and footprint: not a desktop B4-class galvo.