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Alpenföhn Brocken 4 vs ARCTIC Liquid Freezer III 420: Comparison
Alpenföhn Brocken 4 and ARCTIC Liquid Freezer III 420 separate most on fan count: Alpenföhn Brocken 4 at 1, ARCTIC Liquid Freezer III 420 at 3, 67% in favour of ARCTIC Liquid Freezer III 420. Static Pressure splits them by another 27%, again favouring ARCTIC Liquid Freezer III 420. They match on rgb lighting, pwm control and lighting.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Alpenföhn | ARCTIC |
| Cooler Type | Air Tower | AIO Liquid |
| Series | Alpenföhn Brocken 4 | ARCTIC Liquid Freezer III 420 |
| Model Number | 84000000205 | ACFRE00137A |
| Socket Compatibility | AMD AM4/AM5, Intel LGA1700/1200/115X/20XX | AMD AM4/AM5, Intel LGA1851/1700 |
| Tower Layout | Single-Tower | Not Applicable |
| Fan Count | 1-67% | 3 |
| RGB Lighting | No | No |
| Cooler Weight | 1098 g | 2235 g |
| Fan Size | 120 mm | 140 mm |
| Max Speed | 1600 RPM-6% | 1700 RPM |
| Airflow | 55.3 CFM-24% | 72.8 CFM |
| Static Pressure | 1.74 mmH2O-27% | 2.4 mmH2O |
| PWM Control | Yes | Yes |
| Lighting | None | None |
| Source URL | https://www.alpenfoehn.de/Alpenfoehn-R-Brocken-4en | https://www.arctic.de/us/Liquid-Freezer-III-420/ACFRE00137A |
Price comparison
| Retailer | Alpenföhn Brocken 4 | ARCTIC Liquid Freezer III 420 |
|---|---|---|
| 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.
ARCTIC Liquid Freezer III 420
9 / 10 Expert Rating
One of the best value-per-degree AIOs available at any radiator size, now in its largest non-Pro form.




