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Black dual-tower CPU cooler with two 120mm fans and six heat pipes

be quiet!

be quiet! Pure Rock Pro 3 Black CPU Cooler 120mm 250W TDP BK042

SKU CH-83E6-QXVRM MPN BK042

A dual-tower air cooler with six 6 mm heat pipes and two 120 mm PWM fans handles 250 W TDP at 34.8 dBA

  • Fan size120 mm
  • Supported CPU socketsAMD Socket AM4 / AMD Socket AM5 / Intel LGA 1150 / Intel LGA
  • Bearing designRifle
  • TDP250 W
  • Rotational speed2,000 RPM max
  • Airflow rate59.6 CFM / 101.2 m3/h max
  • Cools modern flagships with 250W TDP capacity
  • Runs quietly at 34.8 dBA maximum noise
  • Fits tall RAM and VRM coolers via offset design
  • All-black aesthetic with nickel-plated base and black heat pipes
  • Installs easily on Intel LGA 1700/1851 and AMD AM4/AM5 sockets

Pure Rock Pro 3 Black 250W TDP CPU Cooler

The Pure Rock Pro 3 Black is a dual-tower air cooler rated for 250W TDP. It targets builders running high-performance Intel Core i9 or AMD Ryzen 9 processors in compact cases. Six 6mm heat pipes and two 120mm PWM fans deliver the thermal headroom needed for sustained workloads or moderate overclocking.

152mm Height Offset Design 4-Pin PWM

The cooler stands 152mm tall and weighs 1124g with an all-black aluminum finish. Its offset layout clears tall RAM modules and VRM heatsinks on most mainstream boards. Two Pure Wings 3 fans mount vertically on the heatsink using a rifle bearing and connect via a single 4-pin PWM header for automatic speed control.

34.8dBA 2000 RPM Airflow Limits

At 2000 RPM the fans move 59.6 CFM at 2.41mmH2O static pressure while peaking at 34.8 dBA. The 4-pin PWM curve lets the motherboard reduce speed under light loads, but the physical ceiling remains fixed. Builders chasing silent operation at full 250W output will hit this acoustic floor.

How it compares

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

Price $37.99
Pricier than about 84% 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 Pro 3 Black
Part numberBK042
Product colorBlack
Performance
Rotational speed2,000 RPM max
Airflow rate59.6 CFM / 101.2 m3/h max
Static pressure2.41mmH2O
Processor
TDP250 W
Power
Power input connector4-pin PWM
Size & build
Fan size120 mm
Bearing designRifle
Cooler materialAluminum
Fan mountingVertical
Heatsink dimensions155 × 124 × 114 mm
Product weight1124g
Shipping weight1.41 kg
Package size203 × 178 × 152 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 limit152 mm
Environment & compliance
Operating noise34.8 dBA max
More details
LED lightingNon LED

Questions about this item

What TDP does the 4-pin PWM interface support on this cooler?

The 4-pin PWM connector drives the dual Pure Wings 3 fans up to 2000 RPM, delivering 59.6 CFM airflow and 2.41 mmH2O pressure to handle the rated 250W TDP.

Will the 152 mm height and 114 mm depth fit my case and clear RAM slots?

At 152 mm tall and 114 mm deep, the offset dual-tower design clears tall RAM modules and VRM heatsinks while fitting most mid-tower cases; verify your case CPU cooler clearance before buying.

How do I mount it on AM5 or LGA 1700, and which step is often missed?

Use the included mounting kit: install the correct backplate for your socket, secure the bridge with the pre-applied standoffs, apply thermal paste, then clip both fans onto the heatsink — forgetting the second fan is the common oversight.

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