Verdict
Head-to-head · Best Cpu Air Coolers

be quiet! Pure Rock Pro 3 vs Deepcool Gammaxx 400 V2

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

be quiet! Pure Rock Pro 3 comes out ahead by a clear margin (4.6 vs 3.8). The gap is mostly about users prioritizing noise reduction over peak performance — read the strengths below before deciding.

be quiet! Pure Rock Pro 3
Higher ratedRanked #1 in Best Cpu Air Coolers
be quiet! Pure Rock Pro 3
8 sources1 derived$54.9as of Oct 2

be quiet!'s Pure Rock Pro 3 Black offers high cooling performance with its dual-tower design and 6mm heat pipes, delivering strong thermal results while maintaining a compact profile. The included Pure Wings 3 fans provide excellent airflow and pressure, though reviewers noted inconsistencies in the product's specification sheet. TechPowerUp praised its performance and quiet operation, making it suitable for high-end systems and overclocking. Users seeking a balance between cooling capacity and noise will find it well-suited, though those requiring precise fan specifications may encounter issues.

Strengths
  • — 6 nickel-plated high-performance copper heat pipes with nickel-plated base for excellent heat dissipation
  • — Two optimized Pure Wings 3 120mm PWM fans with funnel-shaped air outlet for high airflow and pressure
  • — Compact offset design allows easy installation and compatibility with RAM and VRM coolers
Watch-outs
  • — Spec sheet contains inconsistencies regarding fan RPM and performance data
  • — Fan speed may be limited by inaccurate specifications in marketing materials
Deepcool Gammaxx 400 V2
Ranked #7 in Best Cpu Air Coolers
Deepcool Gammaxx 400 V2
4 sourcesall derived

Tom's Hardware reviewed the Deepcool Gammaxx 400 V2 and noted it features an upgraded fan with a wider RPM range (500-1650 RPM) and reduced noise profile at 27 decibels. The cooler supports up to 180 watts TDP, representing an improvement over the original model. YouTube reviewer Mike from Mike's Unboxing Reviews highlighted its affordability. This cooler is best suited for budget-conscious builders seeking basic cooling performance without significant upgrades.

Strengths
  • — New fan with wider RPM range of 500-1650 RPM
  • — Reduced noise profile at 27 decibels compared to previous version
  • — Increased TDP support up to 180 watts
Watch-outs
  • — Limited performance gains over previous Gammaxx 400 version
  • — No significant improvements in cooling efficiency beyond fan upgrade

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

be quiet! Pure Rock Pro 3

The be quiet! Pure Rock Pro 3 Black excels in quiet operation and dual-fan airflow, but it's less performant than the Thermalright Phantom Spirit 120 SE which includes an extra heat pipe and better airflow direction options. While it's quieter than the Thermalright Peerless Assassin 120 Mini, it suffers from inconsistent specs that the latter avoids.

Deepcool Gammaxx 400 V2

The Deepcool Gammaxx 400 V2 offers a wider RPM range and reduced noise but provides only modest performance gains over its predecessor, unlike the Thermalright Phantom Spirit 120 SE which includes an extra heat pipe. Compared to the be quiet! Pure Rock Pro 3 Black, it lacks dual fans and a more advanced design, though it's significantly more affordable and suitable for AM4 platform users.

Specs side-by-side

Specbe quiet! Pure Rock Pro 3Deepcool Gammaxx 400 V2
Height139 x 124 x 155mm155 mm
Heat Pipes6 x 6mm4 sintered powder heat pipe
Fan Size2 x Pure Wings 3 120mm PWM120 mm
Noise Level34.8dB(A) at max speed27 dBA
CompatibilityIntel 1851 / 1700 / 1200 / 1150 / 1151 / 1155; AMD AM5 / AM4AM4
Price$54.90£15-£29
Cooler TypeDouble-tower air coolerAir Cooler
Dimensions5.47"L x 4.88"W x 6.1"H129×77×155 mm
Voltage12 volts12 VDC
Wattage3.6 watts2.16W
MaterialAluminumCopper
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