Cooler Master MasterAir MA612 Stealth, 2x120 mm CPU Cooler, Black
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Weight & dimensions | |
| Weight | 1.19 kg |
| Package weight | 1.45 kg |
| Height | 158 mm |
| Width | 112.2 mm |
| Depth | 129 mm |
| Package depth | 173 mm |
| Package height | 245 mm |
| Package width | 122 mm |
| Heat pipes diameter | 6 mm |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Energy management | |
| Power consumption (typical) | 1.8 W |
| Rated current | 0.15 A |
| Voltage | 12 V |
| Rated voltage | 12 V |
| Safety current | 0.37 Ah |
| Other features | |
| Country of origin | China |
| Mean time to failure (MTTF) | 160000 h |
| Design | |
| Material | Aluminium |
| Product colour | Black |
| Number of fans | 2 fan(s) |
| Fan connector | 4-pin |
| Radiator material | Aluminium |
| Number of heat pipes | 6 |
| Illumination LED | ![]() |
| Fins material | Aluminium |
| Performance | |
| Type | Cooler |
| Mean time between failures (MTBF) | 160000 h |
| Fan diameter | 12 cm |
| Supported processor sockets | LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1366 (Socket B), LGA 2011 (Socket R), LGA 2011-v3 (Socket R), LGA 2066, Socket AM2, Socket AM2+, Socket AM3, Socket AM3+, Socket AM4, Socket FM1, Socket FM2, Socket FM2+ |
| Suitable location | Processor |
| Maximum airflow | 62 cfm |
| Minimum airflow (imperial) | 62 cfm |
| Maximum air pressure | 2.52 mmH2O |
| Noise level (low speed) | 8 dB |
| Noise level (high speed) | 27 dB |
| Fan speed (max) | 1800 RPM |
| Fan speed (min) | 650 RPM |
| Rotational speed (max) | 1800 RPM |
| Rotational speed (min) | 650 RPM |
| Quantity per pack | 1 pc(s) |
| Pulse-width modulation (PWM) support | ![]() |
| Logistics data | |
| Master (outer) case height | 282 mm |
| Master (outer) case width | 366 mm |
| Master (outer) case length | 510 mm |
| Products per master (outer) case | 8 pc(s) |
| Harmonized System (HS) code | 84733080 |
| EAN | 4719512111505 |
| Warranty | 1 year |
The Cooler Master MasterAir MA612 Stealth is a dual-fan CPU air cooler engineered for robust thermal dissipation across modern processor platforms. Heat transfer begins at the specialized nickel-plated base and is rapidly moved by six 6 mm copper heat pipes, which thread through a large aluminum fin stack. The overall heatsink features an asymmetrical heatpipe layout, optimizing the unit’s profile to improve compatibility with tall memory modules and surrounding components.
Cooling performance is maintained by two 120 mm SickleFlow fans configured for push-pull operation. Fan speed is managed through integrated PWM control, allowing rotational speeds to scale dynamically between 650 RPM and 1800 RPM based on current thermal demands. This control mechanism regulates acoustic performance, with noise output peaking at 27 dB during high load operation while delivering a maximum airflow of 62 CFM. The cooler stands at 158 mm in height, requiring adequate chassis clearance for proper fitment.
Key Features:- Air tower design with stealth black finish
- Six 6 mm copper heat pipes for enhanced thermal conduction
- Nickel-plated base provides CPU contact
- Supports PWM fan speed control
- Dual 120 mm SickleFlow fans included
- Maximum static pressure rated at 2.52 mmH₂O
- Acoustic operation ranging from 8 dB minimum to 27 dB maximum
- Compatible with Intel LGA 1200/115x and AMD AM4 sockets
- MTBF rating of 160,000 hours
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- leaflet (English)


