In conclusion, we compare the Alphacool Apex Stealth Metal Power Fan with the Cooler Master Mobius. It’s like comparing day and pitch-black night. Again, the audio recordings are clearer this time, the reason for which I have already explained in detail. The rest can be seen in the comparison; it’s almost a humiliation.
Alphacool Apex Stealth Metal Power Fan (Vorserie) [120 mm] vs Cooler Master Mobius 120 ARGB [120 mm]
General
Vendor
Alphacool
Cooler Master
Product name
Apex Stealth Metal Power Fan (Vorserie)
Mobius 120 ARGB
Dimension
120 mm
120 mm
Height
25 mm
25 mm
Weight
320 g
179 g
Official Datasheet
Minimum RPM
400 U/min
0 U/min
Maximum RPM
3000 U/min
2400 U/min
Min Consumption
0.6 W
0.6 W
Max Consumption
6.2 W
1.4 W
Airflow (CFM)
116.9 CFM
75.2 CFM
Airflow (m³/h)
198.0 m³/h
127.1 m³/h
Static Pressure (mmH2O)
6.22 mmH2O
3.63 mmH2O
Sound
40.0 dBA
30.0 dBA
Features
PWM
✓
✓
RGB
×
✓
Noise Absorption
✓
✓
Colors
Frame
Silver
Black
Highlight
-
-
Rotor
Black
Transparent
Measures DC
Start-Up Voltage
4.5 V
3.7 V
Shut-Down Voltage
4.2 V
2.6 V
Start-Up DC
701 U/min
805 U/min
Shut-Down DC
689 U/min
203 U/min
Measures PWM
Start-Up RPM
301 U/min
150 U/min
Shut-Down RPM
221 U/min
93 U/min
Other Measures
Max RPM
3022 U/min
2350 U/min
No-Stop RPM
N/A
N/A
column_boost_rpm
522 U/min
1001 U/min
Airflow (CFM)
Case Fan (1000 RPM)
45.9 CFM
+49.5 %
30.7 CFM
Radiator 25mm (1000 RPM)
38.6 CFM
+106.3 %
18.7 CFM
Radiator 45mm (1000 RPM)
42.4 CFM
+110.8 %
20.1 CFM
Radiator 60mm (1000 RPM)
44.4 CFM
+95.8 %
22.7 CFM
Airflow (m³/h)
Case Fan (1000 RPM)
77.9 m³/h
+49.5 %
52.1 m³/h
Radiator 25mm (1000 RPM)
65.6 m³/h
+106.3 %
31.8 m³/h
Radiator 45mm (1000 RPM)
72.1 m³/h
+110.8 %
34.2 m³/h
Radiator 60mm (1000 RPM)
75.4 m³/h
+95.8 %
38.5 m³/h
Static Pressure (mmH2O)
Case Fan (1000 RPM)
1.94 mmH2O
+5.7 %
1.84 mmH2O
Radiator 25mm (1000 RPM)
1.63 mmH2O
+33.6 %
1.22 mmH2O
Radiator 45mm (1000 RPM)
1.84 mmH2O
+64.3 %
1.12 mmH2O
Radiator 60mm (1000 RPM)
1.84 mmH2O
+28.7 %
1.43 mmH2O
Static Pressure (hPa)
Case Fan (1000 RPM)
0.19 hPa
+5.6 %
0.18 hPa
Radiator 25mm (1000 RPM)
0.16 hPa
+33.3 %
0.12 hPa
Radiator 45mm (1000 RPM)
0.18 hPa
+63.6 %
0.11 hPa
Radiator 60mm (1000 RPM)
0.18 hPa
+28.6 %
0.14 hPa
Sound
Case Fan (1000 RPM)
19.2
-25.6 %
25.8
Radiator 25mm (1000 RPM)
19.5
-21.7 %
24.9
Radiator 45mm (1000 RPM)
19.3
-23.4 %
25.2
Radiator 60mm (1000 RPM)
19.3
-23.1 %
25.1
Airflow (m³/h) vs Static Pressure (mmH2O)
Airflow (CFM) vs Static Pressure (hPa)
Compare Sound
Case Fan
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 150
- 350
- 550
- 750
- 950
- 1150
- 1350
- 1550
- 1750
- 1950
- 2150
- 2350
25mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 150
- 350
- 550
- 750
- 950
- 1150
- 1350
- 1550
- 1750
- 1950
- 2150
- 2350
45mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 150
- 350
- 550
- 750
- 950
- 1150
- 1350
- 1550
- 1750
- 1950
- 2150
- 2350
60mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 150
- 350
- 550
- 750
- 950
- 1150
- 1350
- 1550
- 1750
- 1950
- 2150
- 2350
Pages:
- 1 - Introduction and technical data
- 2 - Causes of noise development and vibrations
- 3 - The secret of decoupling and the used material
- 4 - Apex Stealth Metal Power Fan: Measurement results in detail.
- 5 - Comparison with the Noctua NF-A12x25 PWM (2023)
- 6 - Comparison with the Be Quiet! Silentwings Pro 4
- 7 - Comparison with the Cooler Master Mobius 120
- 8 - Summary and conlusion
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