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Product Code: CFHO-428
MPN #: BK042
Upgrade your PC with the be quiet! Pure Rock Pro 3 Black and feel the difference instantly – a cooler that delivers top‑tier performance while staying whisper‑quiet. Its sleek black design not only looks premium, but the powerful dual Pure Wings 3 fans push 101.2 m³/h of airflow to keep even the hottest CPUs at optimal temperatures.
The cooler features a nickel‑plated copper base and six 6 mm heat pipes that spread heat evenly across the aluminium fins. Two 12 cm PWM fans spin up to 2000 RPM, delivering a maximum airflow of 59.6 CFM while staying below 35 dB at full speed.
It supports a wide range of sockets, including LGA 1150‑1155‑1200‑1700‑1851 and AM4‑AM5, making it ideal for both current and next‑gen builds. Low‑speed operation drops noise to just 14 dB, perfect for quiet workstations or gaming rigs.
Installation is straightforward with the included mounting kit, and the cooler comes with a 3‑year warranty and sustainability certifications such as RoHS and Triman, giving you peace of mind.
| Performance | |
| Fan's mean time to failure (MTTF) | 80000 h |
| Quantity per pack | 1 pc(s) |
| Bearing type | Rifle bearing |
| Pulse-width modulation (PWM) support | Yes |
| Maximum air pressure | 2.41 mmH2O |
| Airflow | 101.2 m³/h |
| Maximum airflow | 59.6 cfm |
| Noise level (high speed) | 34.8 dB |
| Noise level (low speed) | 14 dB |
| Rotational speed (max) | 2000 RPM |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, LGA 1851, Socket AM4, Socket AM5 |
| Fan diameter | 12 cm |
| Type | Air cooler |
| Suitable location | Processor |
| Design | |
| Fan connector | 4-pin |
| Number of heat pipes | 6 |
| Fins material | Aluminium |
| Number of fans | 2 fan(s) |
| Base plate material | Copper |
| Product colour | Black |
| Power | |
| Fan current | 0.1 A |
| Fan voltage | 12 V |
| Thermal Design Power (TDP) | 250 W |
| Fan power consumption | 3.6 W |
| Weight & dimensions | |
| Package weight | 1.4 kg |
| Package height | 210 mm |
| Package depth | 163 mm |
| Package width | 178 mm |
| Cable length | 0.12 m |
| Heat pipes diameter | 6 mm |
| Fan thickness | 2.5 cm |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Weight | 1.07 kg |
| Height | 155 mm |
| Depth | 139 mm |
| Radiator height | 15.5 cm |
| Radiator depth | 11.4 cm |
| Radiator width | 12.4 cm |
| Width | 124 mm |
| Technical details | |
| Compliance certificates | CE, RoHS, TÜV mark, UKCA, UL, WEEE |
| Sustainability certificates | Triman |
| Warranty period | 3 year(s) |
| Packaging content | |
| Mounting kit | Yes |
| Other features | |
| Airflow | 101.2 m³/h |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)