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Black tower CPU cooler with four heat pipes and a 120mm fan

be quiet!

be quiet! Pure Rock 3 Black 120mm Rifle CPU Cooler BK039

SKU CH-9VF4-06SZV MPN BK039

A 120 mm rifle-bearing PWM fan and four 6 mm heat pipes dissipate up to 190 W at a maximum 31.2 dBA

  • Fan size120 mm
  • Supported CPU socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Bearing designRifle
  • TDP190 W
  • Rotational speed2,000 RPM max
  • Airflow rate59.6 CFM / 101.2 m3/h max
  • Handles 190W TDP for modern flagship CPUs
  • Four 6mm heat pipes with HDT technology ensure efficient heat transfer
  • Pure Wings 3 120mm PWM fan reaches 31.2 dBA at 2000 RPM
  • Compact 154mm height clears tall RAM and VRM coolers
  • All-black aluminium and copper heatsink with preinstalled mounting bridge

190W TDP air cooler for consumer PCs

The Pure Rock 3 Black is a single-tower CPU air cooler rated for 190W TDP. It targets consumer desktops used for gaming, multimedia and graphics work as well as mainstream or entry-level builds. Four black 6mm heat pipes with direct-touch technology transfer heat from the integrated heat spreader to the aluminium fin stack. A 120mm Pure Wings 3 PWM fan with a funnel-shaped outlet pushes up to 59.6 CFM at 2000 RPM while peaking at 31.2 dBA.

Check socket, height clearance and RAM space

Verify that your motherboard uses one of the supported sockets: Intel LGA 1150, 1151, 1155, 1200, 1700 or 1851, or AMD AM4 and AM5. The cooler stands 154mm tall, so confirm your case allows at least that much CPU cooler height. The compact 124mm-wide heatsink and vertical fan mounting leave room for tall memory modules and VRM heatsinks, but measure your specific layout to be sure. A pre-installed mounting bridge simplifies installation on all listed platforms.

Sustained load at 190W with 31.2 dBA peak

Under continuous load the cooler dissipates up to its 190W TDP rating while the fan spins to 2000 RPM, delivering 101.2 m³/h airflow and 2.41mm H₂O static pressure. The rifle-bearing fan maintains the 31.2 dBA noise ceiling even at maximum speed, so acoustic output stays predictable during long rendering or gaming sessions. The all-black aluminium and copper heatsink with four heat pipes provides consistent thermal mass without throttling.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $33.99
Pricier than about 82% of the 1,559 comparable items (median $19.99).
Fan size 120 mm
Higher than about 80% of the 812 comparable items (median 80 mm).

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Specifications

Product
Brand namebe quiet!
Model namePure Rock 3 Black
Part numberBK039
Product colorBlack
Performance
Rotational speed2,000 RPM max
Airflow rate59.6 CFM / 101.2 m3/h max
Static pressure2.41 mm H2O
Processor
TDP190 W
Power
Power input connector4-pin PWM
Size & build
Fan size120 mm
Bearing designRifle
Cooler materialAluminum & Copper
Fan mountingVertical
Heatsink dimensions154 × 124 × 46 mm
Product weight570g
Shipping weight0.73 kg
Package size206 × 163 × 127 mm
Compatibility
Supported CPU socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA 1151 / Intel LGA 1155 / Intel LGA 1200 / Intel LGA 1700 / Intel LGA 1851
CPU cooler height limit154 mm
Environment & compliance
Operating noise31.2 dBA max
More details
LED lightingNon LED

Questions about this item

What comes in the box with the Pure Rock 3 Black and is any extra hardware needed?

The cooler ships with a pre-installed mounting bridge, four black 6 mm heat pipes, a Pure Wings 3 120 mm PWM fan and the brackets for Intel LGA 1700/1851 and AMD AM5/AM4. No separate mounting kit is required for those sockets.

Which version should I choose for a 190 W TDP CPU in a compact case?

This single 154 mm tall model supports 190 W TDP, fits cases with 154 mm cooler clearance and leaves room for tall RAM thanks to its 46 mm deep heatsink.

What does the 31.2 dBA figure mean when the fan hits 2000 RPM in a real build?

At full 2000 RPM speed the Pure Wings 3 fan produces a maximum of 31.2 dBA while moving 59.6 CFM, so even under heavy load the noise stays low.

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