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Alpenföhn Brocken 4 vs Zalman CNPS20X: Comparison
Alpenföhn Brocken 4 and Zalman CNPS20X separate most on fan count: Alpenföhn Brocken 4 at 1, Zalman CNPS20X at 2, 50% in favour of Zalman CNPS20X. TDP Rating splits them by another 27%, again favouring Zalman CNPS20X. They match on cooler type, heatpipe count and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Alpenföhn | Zalman |
| Cooler Type | Air Tower | Air Tower |
| Series | Alpenföhn Brocken 4 | Zalman CNPS20X |
| Tower Type | Single-Tower | Dual-Tower |
| Model Number | 84000000205 | CNPS20X |
| Height | 155 mm | 165 mm-6% |
| Socket Compatibility | AMD AM4/AM5, Intel LGA1700/1200/115X/20XX | AMD AM5/AM4/AM3+/AM3, Intel LGA1700/1200/115X/2066/2011 |
| Tower Layout | Single-Tower | Dual-Tower |
| Fan Count | 1-50% | 2 |
| TDP Rating | 220 W-27% | 300 W |
| Noise Level | 22.8 dBA | 29 dBA+6.2 dBA |
| RGB Lighting | No | Yes |
| Cooler Weight | 1098 g | 1300 g |
| Heatpipe Count | 6 | 6 |
| Fan Size | 120 mm | 140 mm |
| Max Speed | 1600 RPM | 1500 RPM-6% |
| Airflow | 55.3 CFM-9% | 61 CFM |
| PWM Control | Yes | Yes |
| Lighting | None | ARGB |
| Source URL | https://www.alpenfoehn.de/Alpenfoehn-R-Brocken-4en | https://www.zalman.com/EN/Product/ProductDetail.do?productSeq=323 |
Price comparison
| Retailer | Alpenföhn Brocken 4 | Zalman CNPS20X |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on 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.
Zalman CNPS20X
7.9 / 10 Expert Rating
An aggressively priced RGB flagship-class dual-tower for builders who want the look without premium-brand cost.




