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Alpenföhn Brocken 4 vs DeepCool AK400 G2: Comparison
Alpenföhn Brocken 4 and DeepCool AK400 G2 separate most on static pressure: Alpenföhn Brocken 4 at 1.74 mmH2O, DeepCool AK400 G2 at 3.33 mmH2O, 48% in favour of DeepCool AK400 G2. Max Speed splits them by another 27%, again favouring DeepCool AK400 G2. They match on 6 other specifications, including cooler type, tower type and tower layout.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Alpenföhn | DeepCool |
| Cooler Type | Air Tower | Air Tower |
| Series | Alpenföhn Brocken 4 | DeepCool AK400 G2 |
| Tower Type | Single-Tower | Single-Tower |
| Model Number | 84000000205 | R-AK400G2-BKNNMN-GJD |
| Height | 155 mm | 156 mm-1% |
| Socket Compatibility | AMD AM4/AM5, Intel LGA1700/1200/115X/20XX | AMD AM5/AM4, Intel LGA1851/1700/1200/115X |
| Tower Layout | Single-Tower | Single-Tower |
| Fan Count | 1 | 1 |
| Noise Level | 22.8 dBA | 31.45 dBA+8.6 dBA |
| Cooler Weight | 1098 g | 950 g |
| Heatpipe Count | 6 | 4 |
| Base Material | Nickel-Plated Copper | Direct-Touch Copper |
| Fan Size | 120 mm | 120 mm |
| Max Speed | 1600 RPM-27% | 2200 RPM |
| Airflow | 55.3 CFM-13% | 63.4 CFM |
| Static Pressure | 1.74 mmH2O-48% | 3.33 mmH2O |
| PWM Control | Yes | Yes |
| Source URL | https://www.alpenfoehn.de/Alpenfoehn-R-Brocken-4en | https://www.deepcool.com/products/Cooling/cpuaircoolers/AK400-G2-Wood-Grain-Top-Cover-CPU-Cooler/2025/21908.shtml |
Price comparison
| Retailer | Alpenföhn Brocken 4 | DeepCool AK400 G2 |
|---|---|---|
| Amazon | View on Amazon | |
| Newegg | View on Newegg |
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.




