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be quiet! Pure Rock 2 vs Noctua NH-L9x65: Comparison
be quiet! Pure Rock 2 and Noctua NH-L9x65 separate most on height: be quiet! Pure Rock 2 at 155 mm, Noctua NH-L9x65 at 65 mm, 138% in favor of Noctua NH-L9x65. Warranty splits them by another 50%, again favoring Noctua NH-L9x65. They match on fan count, heatpipe count and pwm control.
Which is better, be quiet! Pure Rock 2 or Noctua NH-L9x65?
On paper, Noctua NH-L9x65 has the edge on height, at 65 mm vs be quiet! Pure Rock 2 at 155 mm.
What is the main difference between be quiet! Pure Rock 2 and Noctua NH-L9x65?
The Noctua NH-L9x65 is the stronger choice on paper: it has 2.4x the height (65 mm vs 155 mm), so it fits more cases. It also has 12% lower noise level (23.6 dBA vs 26.8 dBA), so it runs quieter.
Specs and benchmarks
Brand
- be quiet! Pure Rock 2
- be quiet!
- Noctua NH-L9x65
- Noctua
Cooler Type
- be quiet! Pure Rock 2
- Air Tower
- Noctua NH-L9x65
- Air Low-Profile
Series
- be quiet! Pure Rock 2
- be quiet! Pure Rock 2
- Noctua NH-L9x65
- Noctua NH-L9x65
Height
- be quiet! Pure Rock 2
- 155 mm-138%
- Noctua NH-L9x65
- 65 mmBest
Socket Compatibility
- be quiet! Pure Rock 2
- AMD AM4/AM5, Intel LGA1700/1200/115X/2066/2011-3
- Noctua NH-L9x65
- AMD AM5/AM4, Intel LGA1954/1851/1700/1200/115X
Fan Count
- be quiet! Pure Rock 2
- 1
- Noctua NH-L9x65
- 1
Noise Level
- be quiet! Pure Rock 2
- 26.8 dBA
- Noctua NH-L9x65
- 23.6 dBABest
Cooler Width
- be quiet! Pure Rock 2
- 121 mm
- Noctua NH-L9x65
- 95 mm
Cooler Weight
- be quiet! Pure Rock 2
- 580 g
- Noctua NH-L9x65
- 413 gBest
Heatpipe Count
- be quiet! Pure Rock 2
- 4
- Noctua NH-L9x65
- 4
Base Material
- be quiet! Pure Rock 2
- Direct-Touch Copper
- Noctua NH-L9x65
- Nickel-Plated Copper
Fan Size
- be quiet! Pure Rock 2
- 120 mm
- Noctua NH-L9x65
- 92 mm
Max Speed
- be quiet! Pure Rock 2
- 1500 RPM-40%
- Noctua NH-L9x65
- 2500 RPMBest
Airflow
- be quiet! Pure Rock 2
- 51.4 CFMBest
- Noctua NH-L9x65
- 29.72 CFM-42%
PWM Control
- be quiet! Pure Rock 2
- Yes
- Noctua NH-L9x65
- Yes
Warranty
- be quiet! Pure Rock 2
- 3 years-50%
- Noctua NH-L9x65
- 6 yearsBest
Which one should you pick?
Choose be quiet! Pure Rock 2 if you want the higher fan count (1 vs 1) and the higher airflow (51.4 CFM vs 29.72 CFM).
Choose Noctua NH-L9x65 if you want the lower height (65 mm vs 155 mm), the lower noise level (23.6 dBA vs 26.8 dBA) and the higher max speed (2500 RPM vs 1500 RPM).
Price comparison
| Retailer | be quiet! Pure Rock 2 | Noctua NH-L9x65 |
|---|---|---|
| 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
be quiet! Pure Rock 2
7.4 / 10 Expert Rating
A sensible quiet budget cooler for locked mainstream CPUs, not for chasing overclocks.
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