Hypertherm Powermax 65 SYNC
#16 in Over 45 AFull review
An industrial 65 A cutter for farms, trailer builders and shops that cut 3/4 in plate often. It is more machine than most home shops need.
Amazon $4,175$4,175
The Hypertherm Powermax 65 SYNC and the Thermal Dynamics Cutmaster 70+ are evenly matched, rated 3.5 and 3.5. The Hypertherm Powermax 65 SYNC leads on warranty and duty cycle. The Thermal Dynamics Cutmaster 70+ wins on cut and value. The Thermal Dynamics Cutmaster 70+ costs $690 less ($3,485 vs $4,175).
Thermal Dynamics Cutmaster 70+
#17 in Over 45 AFull review
A 70 A cutter for farms and fabrication shops that cut thick plate and want a CNC-ready machine. Home shops cutting under 3/4 in can buy smaller.
Amazon $3,485$3,485
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 Hypertherm Powermax 65 SYNC for warranty (6-year warranty on the machine vs 3-year warranty on the machine) and duty cycle (50% at full output (65 A) vs 40% at full output (70 A)).
- Choose the Thermal Dynamics Cutmaster 70+ for cut (1 1/8 in rated cut on mild steel vs 3/4 in rated cut on mild steel) and value ($3,097.78 per inch of rated cut ($3,485, 1 1/8 in) vs $5,566.67 per inch of rated cut ($4,175, 3/4 in)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 45 A plasma cutter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hypertherm Powermax 65 SYNC | Thermal Dynamics Cutmaster 70+ |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 30% | 12 $5,566.67 per inch of rated cut ($4,175, 3/4 in) | 32 $3,097.78 per inch of rated cut ($3,485, 1 1/8 in) |
| Cut 20% | 33 3/4 in rated cut on mild steel | 83 1 1/8 in rated cut on mild steel |
| Duty cycle 15% | 75 50% at full output (65 A) | 50 40% at full output (70 A) |
| Pilot arc 10% | 100 pilot arc | 100 pilot arc |
| Warranty 25% | 100 6-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Hypertherm Powermax 65 SYNC | Thermal Dynamics Cutmaster 70+ | |
|---|---|---|
| Cutting | ||
| Input voltage | 240 V | 120/240 V |
| Maximum output | 65 A | 70 A |
| Rated cut, mild steel | 3/4 in | 1 1/8 in |
| Sever cut, mild steel | 1 1/4 in | 1 1/2 in |
| Rated duty cycle | 50% at 65 A, 40 °C | 40% at 70 A |
| Pilot arc | Yes | Yes |
| Air and build | ||
| Air supply | 7.5 cfm, 85 psi | 8.3 cfm, 90 psi |
| CNC port | No | Yes |
| Weight | 61.7 lb | 38.6 lb |
| Warranty | 6 years | 3 years |
| Released | 2022-01 | 2024-10 |