CoolerMaster Gemini Two Mark Four Processor Cooler

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In today’s performance intensive computers there is a myriad of differing cooling solutions, all designed to entice the end-user with their specifications. Many manufacturers opt for either silence, overclocking, small form factor spacing or all of the above. Only those whom are truly willing to adapt to the ever-changing needs of the industry can hope to survive this free-for-all. Then if we throw in more esoteric forms of cooling into the bag we are in for some interesting times indeed. Today however we are focusing our attention on the cooler that is designed for the Home Theatre PC case market.

Coolermaster have sent us their brand new Gemini Two Mark Four CPU cooler and it will be very interesting to see if this cooler can hold a candle to Coolermaster’s long line of high quality products.

Company Background

Cooler Master was founded with the mission of providing the industry’s best thermal solutions. Since its establishment a decade ago, the company has remained faithful to this mission, emerging as a world leader in products and services for companies dealing with devices where heat issues must be resolved.

In pursuing this mission, Cooler Master is absolutely committed to delivering solutions that precisely meet customer requirements for features, performance, and quality. Moreover, we strive to be a reliable long-term partner for our customers that they can truly depend on. It aims to be the first and foremost name that comes to mind for companies around the world seeking thermal solutions, and seeks to build such a reputation through outstanding technology, sophisticated design, and superior service.

Cooler Master’s current business encompasses a comprehensive lineup of thermal solutions for a full range of applications. Its products range from heat sinks and fans to component housing, chassis, and ducting for computers, industrial machinery, telecommunications equipment, and many other devices.



GeminII M4 is a super low profile CPU cooler (59mm / 2.3in height) designed for a system with limited space, such as mini-ITX, HTPC, or any small desktop. With its four direct contact heat pipes and unique heat pipe layout, GeminII M4 not only keeps compact size but provides amazing cooling performance.

  • Super low profile cooler (59mm / 2.3in height) with 4 direct contact heat pipes.
  • A base engineered to minimize CPU contact gaps provides excellent heat conduction.
  • Suitable for limited space applications (e.g. HTPC or slim systems).
  • Newly developed thin fan profile delivers uncompromised cooling performance in a compact package.
  • Unique heat pipe layout combines two very effective cooling methods to increase cooling efficiency while maintaining a low profile heat sink.
  • CPU Socket      Intel® LGA1366/1156/1155/775 AMD FM1/AM3+/AM3/AM2+/AM2
  • Dimension (W / H / D)            137 x 122 x 59mm (5.4 x 4.8 x 2.3 inch)
  • Weight            289g (0.64 lb)
  • Heat Sink Material      4 Direct Contact Heat Pipes
  • Aluminum Fins
  • Heat Sink Dimensions             120x 118 x 44 mm (4.7 x 4.6 x 1.7 inch)
  • Heat Sink Weight        210g (0.46 lb)
  • Heat Pipes Dimensions           Ø6mm
  • Fan Dimension (W / H / D)     120 x 120 x 15mm (4.7 x 4.7 x 0.6 inch)
  • Fan Speed        500 – 1600 RPM (PWM) ± 10%
  • Fan Airflow      17.4 – 58.4 CFM ± 10%
  • Fan Air Pressure          0.18 – 1.76mm H2O ± 10%
  • Fan Life Expectancy    40,000 hrs
  • Bearing Type   Long Life Sleeve Bearing
  • Fan Noise Level (dB-A)            8 – 30 dBA
  • Fan Weight      79g (0.17 lb)
  • Connector       4-Pin
Some interesting specifications for a processor cooler that is aimed at the Home Theatre PC market.