Alphacool
Alphacool Heatmaster II
The Alphacool Heatmaster II is a sophisticated, German-engineered cooling controller designed as the central monitoring hub for advanced PC water cooling systems. It manages up to six fans and three pumps or flow sensors, offering granular control through dedicated software. Power is supplied via a 4-Pin Molex connector, with data managed through an internal USB connection. This unit provides extensive expandability, supporting numerous temperature sensors, water level monitoring, and relay connections, making it a future-proof foundation for complex custom loops.
$39.95
Owner Satisfaction
3.8
/ 5
Category Rank
3462
/ 3605
#3462 in Computer System Cooling Parts
Price vs Category Average
-74%
Below average
Dimensions
14410820
/ x x mm
Who it's for
- Extensive Sensor and Channel Support
- Advanced Software Customization
- Robust Safety Features
Who should skip it
- Outdated Software Interface
- Complex Wiring and Installation
- Limited Modern Availability and Support
Key Specs
Dimensions
144 x 108 x 20mm
Weight
approx. 202g
Power Connector
4 Pin Molex
Fan Channel Power Output
10W max. per channel
Total Power Output
max. 60W
Fan Channels
6 (3 Pin connectors)
Sensor Support
Up to 6 temperature sensors (5k/10k Ohm)
Compatibility
Supports Laing DDC1/1+ and D5 pumps (with adapter)
Features
- Central hub for advanced PC water cooling management.
- Six individual channels for fan control (up to 10W).
- Three dedicated channels for pumps or flow sensors.
- Software enables custom presets and multi-mode fan control.
- High expandability with sensor and relay inputs.
- Supports control for Laing DDC/D5 pumps (adapter required).
- Developed and manufactured in Germany for quality.
- Monitors up to six temperature sensors.
What customers say
Enthusiasts recognize the Alphacool Heatmaster II as an exceptionally powerful control unit, celebrated for its unparalleled feature set and extensive connectivity supporting complex custom loops. Users value the robust logging and safety features that ensure system stability. The core theme, however, revolves around complexity. While hardware quality is solid, the software interface is consistently described as nonintuitive, presenting a steep learning curve for initial setup and configuration. This high degree of granular control appeals primarily to dedicated hobbyists who require expert management capabilities, as the complexity limits broader appeal.
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