
Mirka DEROS 550X
Score: 88/100
Festool ETS 125 REQ-Plus
Score: 88/100Rankings

The Mirka DEROS 550X CV is a high-performance corded random orbital sander featuring a brushless motor and central vacuum readiness, designed for professional woodworkers. It delivers pneumatic-like power with low vibration and high efficiency, making it ideal for extended use on furniture, cabinets, and intricate detailing. The tool is best suited for users who prioritize dust-free performance and precision control.

The Festool ETS 125 REQ-Plus is a compact, corded random orbital sander designed for precision finishing with a unique 2 mm sanding stroke. Its primary trade-off is the lack of aggressive stock removal capabilities due to its lower speed and orbital-only motion. It is best suited for professional finishers and cabinetmakers who prioritize swirl-free results on delicate surfaces.
| Attribute | ![]() | ![]() |
|---|---|---|
10,000 RPM | 12,000 RPMbest | |
120 Vbest | 120 Vbest | |
5 mmbest | 2 mm | |
2.9 Abest | 2.08 A | |
5 inbest | 4.92 in | |
| ↓ lower better | 3.2 m/s²best | — |
| ↓ lower better | 1.02 kgbest | 1.09 kg |
| ↓ lower better | 71 dBbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Sanding Performance(2) | ||
Orbit Diameter (mm) | 5 mm | 2.0 mm |
Pad Diameter (in) | 5 in | 4.92 in |
Ergonomics & Features(6) | ||
Dust Collection | Central Vacuum | Bag |
Vibration Level (m/s²) | 3.2 m/s² | Low m/s² |
Tool Weight (kg) | 1.02 kg | 1.09 kg |
Noise Level (dB) | 71 dB | dB |
Soft Start | true | false |
Pad Brake | false | true |
Power & Performance(2) | ||
Motor Amperage (A) | 2.9 A | 2.08 A |
No-Load Speed (RPM) | 10000 RPM | 12000 RPM |

Products in the top-left offer the best value (high score, low price).

Professional testers and editors describe the Mirka DEROS 550X CV as a 'game-changer' for electric random orbitals. They praise its brushless motor for delivering pneumatic-like power and constant speed under load, while highlighting its low vibration and lightweight design as key factors for reducing fatigue during all-day use.
Everyday users and customers commonly praise the tool's lightweight feel, smooth operation, and impressive power for heavy loads. Many users compare it favorably to pneumatic sanders, particularly noting the comfort gained during long sessions when using Mirka dust extractors.




Professional reviewers describe it as being in a 'category of its own' for precision finishing, praising its control and low-vibration operation.
Search results lack direct user reviews, but implied praise aligns with professional opinions regarding lightweight nature and finish quality.