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Alpenföhn Brocken 4 vs DeepCool AK400: Comparison
Alpenföhn Brocken 4 and DeepCool AK400 separate most on airflow: Alpenföhn Brocken 4 at 55.3 CFM, DeepCool AK400 at 66.47 CFM, 17% in favour of DeepCool AK400. Static Pressure splits them by another 15%, again favouring DeepCool AK400. They match on 10 other specifications, including cooler type, tower type and height.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Alpenföhn | DeepCool |
| Cooler Type | Air Tower | Air Tower |
| Series | Alpenföhn Brocken 4 | DeepCool AK400 |
| Tower Type | Single-Tower | Single-Tower |
| Model Number | 84000000205 | R-AK400-BKNNMN-G-1 |
| Height | 155 mm | 155 mm |
| Socket Compatibility | AMD AM4/AM5, Intel LGA1700/1200/115X/20XX | AMD AM4/AM5, Intel LGA1851/1700/1200/115X |
| Tower Layout | Single-Tower | Single-Tower |
| Fan Count | 1 | 1 |
| TDP Rating | 220 W | 220 W |
| Noise Level | 22.8 dBA | 29 dBA+6.2 dBA |
| RGB Lighting | No | No |
| Cooler Weight | 1098 g | 661 g |
| Heatpipe Count | 6 | 4 |
| Fan Size | 120 mm | 120 mm |
| Max Speed | 1600 RPM-14% | 1850 RPM |
| Airflow | 55.3 CFM-17% | 66.47 CFM |
| Static Pressure | 1.74 mmH2O-15% | 2.04 mmH2O |
| PWM Control | Yes | Yes |
| Lighting | None | None |
| Source URL | https://www.alpenfoehn.de/Alpenfoehn-R-Brocken-4en | https://www.deepcool.com/products/Cooling/cpuaircoolers/AK400-Performance-CPU-Cooler-1851-1700-AM5/2024/15222.shtml |
Price comparison
| Retailer | Alpenföhn Brocken 4 | DeepCool AK400 |
|---|---|---|
| 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.
DeepCool AK400
7.7 / 10 Expert Rating
A genuinely competitive budget single-tower cooler, now sold alongside its own updated G2 revision.




