Looking for an honest be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink vs ENERMAX LIQMAXFLO 420mm Liquid Cooler comparison in 2026? We scored both cpu coolers on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the ENERMAX LIQMAXFLO 420mm Liquid Cooler comes out ahead 66/100 to 86/100 — a 20-point gap. The widest gap is in battery life, where the ENERMAX LIQMAXFLO 420mm Liquid Cooler pulls noticeably ahead. On price the be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink undercuts the ENERMAX LIQMAXFLO 420mm Liquid Cooler by 212% ($47.99 vs $149.79), which materially changes the value calculus for budget-conscious buyers.
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ENERMAX LIQMAXFLO 420mm Liquid Cooler clearly outperforms the be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink in the cpu coolers category, especially in battery life, scoring 86 vs 66. If you want the better overall cpu coolers, ENERMAX LIQMAXFLO 420mm Liquid Cooler is the recommended choice.
Picking ENERMAX LIQMAXFLO 420mm Liquid Cooler over be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink means trading these off.
be quiet!
$48
Scores are relative within the cpu coolerscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink | ENERMAX LIQMAXFLO 420mm Liquid CoolerW |
|---|---|---|
| Price | 47.99$✓ | 149.79$ |
| Weight | 1300g✓ | 1500g |
| Dimensions | 135x103x158 mm | 135x103x158 mm |
| Colors | Black | Black, White |
Buy be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink if…
Choose the be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink if budget is your top priority — it offers competitive specs at a lower price point.
Buy ENERMAX LIQMAXFLO 420mm Liquid Cooler if…
Buy the ENERMAX LIQMAXFLO 420mm Liquid Cooler if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
ENERMAX LIQMAXFLO 420mm Liquid Cooler clearly outperforms the be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink in the cpu coolers category, especially in battery life, scoring 86 vs 66. If you want the better overall cpu coolers, ENERMAX LIQMAXFLO 420mm Liquid Cooler is the recommended choice.
No, ENERMAX LIQMAXFLO 420mm Liquid Cooler scores higher (86 vs 66).
be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink is cheaper at $47.99 vs $149.79 for the ENERMAX LIQMAXFLO 420mm Liquid Cooler.
Choose the be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink if budget is your top priority — it offers competitive specs at a lower price point.
Buy the ENERMAX LIQMAXFLO 420mm Liquid Cooler if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
be quiet! Dark Rock Pro 4 135mm 120mm Fan Heatsink is lighter at 1300g vs 1500g.
Reviewed by VersusMatrix Editorial Team
Last updated: May 31, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.