When we compare the Alphacool Apex Stealth Metal Power Fan with the top model from Be Quiet!, it’s a sight to behold. But see and hear for yourself:
Alphacool Apex Stealth Metal Power Fan (Vorserie) [120 mm] vs be quiet Silent Wings Pro 4 [120 mm]
General
Vendor
Alphacool
be quiet
Product name
Apex Stealth Metal Power Fan (Vorserie)
Silent Wings Pro 4
Dimension
120 mm
120 mm
Height
25 mm
25 mm
Weight
320 g
240 g
Official Datasheet
Minimum RPM
400 U/min
600 U/min
Maximum RPM
3000 U/min
3000 U/min
Min Consumption
0.6 W
0.6 W
Max Consumption
6.2 W
4.0 W
Airflow (CFM)
116.9 CFM
83.9 CFM
Airflow (m³/h)
198.0 m³/h
142.5 m³/h
Static Pressure (mmH2O)
6.22 mmH2O
5.31 mmH2O
Sound
40.0 dBA
36.9 dBA
Features
PWM
✓
✓
RGB
×
×
Noise Absorption
✓
✓
Colors
Frame
Silver
Black
Highlight
-
-
Rotor
Black
Black
Measures DC
Start-Up Voltage
4.5 V
5.3 V
Shut-Down Voltage
4.2 V
3.5 V
Start-Up DC
701 U/min
1385 U/min
Shut-Down DC
689 U/min
587 U/min
Measures PWM
Start-Up RPM
301 U/min
N/A
Shut-Down RPM
221 U/min
N/A
Other Measures
Max RPM
3022 U/min
3051 U/min
No-Stop RPM
N/A
632 U/min
column_boost_rpm
522 U/min
N/A
Airflow (CFM)
Case Fan (1000 RPM)
45.9 CFM
+38.6 %
33.1 CFM
Radiator 25mm (1000 RPM)
38.6 CFM
+78.3 %
21.6 CFM
Radiator 45mm (1000 RPM)
42.4 CFM
+92.3 %
22.1 CFM
Radiator 60mm (1000 RPM)
44.4 CFM
+106.0 %
21.5 CFM
Airflow (m³/h)
Case Fan (1000 RPM)
77.9 m³/h
+38.6 %
56.2 m³/h
Radiator 25mm (1000 RPM)
65.6 m³/h
+78.4 %
36.8 m³/h
Radiator 45mm (1000 RPM)
72.1 m³/h
+92.3 %
37.5 m³/h
Radiator 60mm (1000 RPM)
75.4 m³/h
+106.0 %
36.6 m³/h
Static Pressure (mmH2O)
Case Fan (1000 RPM)
1.94 mmH2O
+92.1 %
1.01 mmH2O
Radiator 25mm (1000 RPM)
1.63 mmH2O
+167.2 %
0.61 mmH2O
Radiator 45mm (1000 RPM)
1.84 mmH2O
+201.6 %
0.61 mmH2O
Radiator 60mm (1000 RPM)
1.84 mmH2O
+268.0 %
0.50 mmH2O
Static Pressure (hPa)
Case Fan (1000 RPM)
0.19 hPa
+90.0 %
0.10 hPa
Radiator 25mm (1000 RPM)
0.16 hPa
+166.7 %
0.06 hPa
Radiator 45mm (1000 RPM)
0.18 hPa
+200.0 %
0.06 hPa
Radiator 60mm (1000 RPM)
0.18 hPa
+260.0 %
0.05 hPa
Sound
Case Fan (1000 RPM)
19.2
-29.9 %
27.4
Radiator 25mm (1000 RPM)
19.5
-30.6 %
28.1
Radiator 45mm (1000 RPM)
19.3
-28.8 %
27.1
Radiator 60mm (1000 RPM)
19.3
-31.3 %
28.1
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
- 587
- 787
- 987
- 1187
- 1387
- 1587
- 1787
- 1987
- 2187
- 2387
- 2587
- 2787
- 2987
25mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 587
- 787
- 987
- 1187
- 1387
- 1587
- 1787
- 1987
- 2187
- 2387
- 2587
- 2787
- 2987
45mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 587
- 787
- 987
- 1187
- 1387
- 1587
- 1787
- 1987
- 2187
- 2387
- 2587
- 2787
- 2987
60mm Radiator
- 301
- 501
- 701
- 901
- 1101
- 1301
- 1501
- 1701
- 1901
- 2101
- 2301
- 2501
- 2701
- 2901
- 587
- 787
- 987
- 1187
- 1387
- 1587
- 1787
- 1987
- 2187
- 2387
- 2587
- 2787
- 2987
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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