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Alpenföhn Brocken 4 vs Thermalright Silver Soul 135: Comparison
Alpenföhn Brocken 4 vs Thermalright Silver Soul 135: the height difference
Start with height, because it is the widest measured gap between them: Alpenföhn Brocken 4 155 mm against Thermalright Silver Soul 135 135 mm, 15% in favour of Thermalright Silver Soul 135. Thermalright Silver Soul 135 also leads on airflow, 55.3 CFM on the Alpenföhn Brocken 4 versus 82 CFM on the Thermalright Silver Soul 135. Add static pressure to that, 1.74 mmH2O on the Alpenföhn Brocken 4 versus 2.1 mmH2O on the Thermalright Silver Soul 135, and the pattern holds. Max speed runs the same way, 1600 RPM on the Alpenföhn Brocken 4 versus 1850 RPM on the Thermalright Silver Soul 135, another win for Thermalright Silver Soul 135.
Who each one is for
The Alpenföhn Brocken 4 suits noise-sensitive mid-to-high TDP builds and buyers wanting a dual-tower alternative to mainstream brands, though it is the wrong buy for RGB-themed builds and extreme overclocking chasing the absolute lowest temps. The Thermalright Silver Soul 135 is the one to take for enthusiasts wanting flagship-adjacent cooling on a budget and single-fan-clearance cases, though it is not the pick for buyers wanting premium brand warranty support and RGB-themed builds. Our rating of the Alpenföhn Brocken 4 (7.8/10): A genuinely quiet dual-tower cooler for buyers who value acoustics as much as raw thermal ceiling.
What Alpenföhn Brocken 4 and Thermalright Silver Soul 135 have in common
The common ground is wider than the gap: cooler type, tower type, tower layout, fan count and heatpipe count are identical here. They match on 3 further specifications as well.
Frequently asked questions
Do the Alpenföhn Brocken 4 and Thermalright Silver Soul 135 differ on noise level?
Yes. Noise Level reads 22.8 dBA on the Alpenföhn Brocken 4 versus 29.6 dBA on the Thermalright Silver Soul 135.
Is the Base Material the same on the Alpenföhn Brocken 4 and Thermalright Silver Soul 135?
It is. Both are listed at Nickel-Plated Copper, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Alpenföhn Brocken 4
- Alpenföhn
- Thermalright Silver Soul 135
- Thermalright
Cooler Type
- Alpenföhn Brocken 4
- Air Tower
- Thermalright Silver Soul 135
- Air Tower
Series
- Alpenföhn Brocken 4
- Alpenföhn Brocken 4
- Thermalright Silver Soul 135
- Thermalright Silver Soul 135
Tower Type
- Alpenföhn Brocken 4
- Single-Tower
- Thermalright Silver Soul 135
- Single-Tower
Model Number
- Alpenföhn Brocken 4
- 84000000205
- Thermalright Silver Soul 135
- Silver Soul 135
Height
- Alpenföhn Brocken 4
- 155 mm-15%
- Thermalright Silver Soul 135
- 135 mmBest
Socket Compatibility
- Alpenföhn Brocken 4
- AMD AM4/AM5, Intel LGA1700/1200/115X/20XX
- Thermalright Silver Soul 135
- AMD AM5/AM4, Intel LGA1851/1700/1200/115X/2066/2011
Tower Layout
- Alpenföhn Brocken 4
- Single-Tower
- Thermalright Silver Soul 135
- Single-Tower
Fan Count
- Alpenföhn Brocken 4
- 1
- Thermalright Silver Soul 135
- 1
Noise Level
- Alpenföhn Brocken 4
- 22.8 dBABest
- Thermalright Silver Soul 135
- 29.6 dBA
Heatpipe Count
- Alpenföhn Brocken 4
- 6
- Thermalright Silver Soul 135
- 6
Base Material
- Alpenföhn Brocken 4
- Nickel-Plated Copper
- Thermalright Silver Soul 135
- Nickel-Plated Copper
Fan Size
- Alpenföhn Brocken 4
- 120 mm
- Thermalright Silver Soul 135
- 120 mm
Max Speed
- Alpenföhn Brocken 4
- 1600 RPM-14%
- Thermalright Silver Soul 135
- 1850 RPMBest
Airflow
- Alpenföhn Brocken 4
- 55.3 CFM-33%
- Thermalright Silver Soul 135
- 82 CFMBest
Static Pressure
- Alpenföhn Brocken 4
- 1.74 mmH2O-17%
- Thermalright Silver Soul 135
- 2.1 mmH2O
PWM Control
- Alpenföhn Brocken 4
- Yes
- Thermalright Silver Soul 135
- Yes
Which one should you pick?
Choose Alpenföhn Brocken 4 if you want the higher fan count (1 vs 1) and the lower noise level (22.8 dBA vs 29.6 dBA).
Choose Thermalright Silver Soul 135 if you want the lower height (135 mm vs 155 mm), the higher max speed (1850 RPM vs 1600 RPM) and the higher airflow (82 CFM vs 55.3 CFM).
Price comparison
| Retailer | Alpenföhn Brocken 4 | Thermalright Silver Soul 135 |
|---|---|---|
| Amazon | View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Alpenföhn Brocken 4
7.8 / 10 Expert Rating
A genuinely quiet dual-tower cooler for buyers who value acoustics as much as raw thermal ceiling.
Thermalright Silver Soul 135
8.1 / 10 Expert Rating
Near-flagship single-tower cooling at a fraction of the premium-brand price.




