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Cooler Master GeminII M4

A few companies are looking to gear their merchandise to all PC users and not just a few. This is where the Cooler Master and their new GeminII M4 comes into play. The GeminII M4 is a smaller product of the GeminII line that is aimed at system that lack space but also needs optimal cooling performance. A very thin 120mm cooling fan and four heat pipes helps to achieve this.

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A few companies are looking to gear their merchandise to all PC users and not just a few. This is where the Cooler Master and their new GeminII M4 comes into play. The GeminII M4 is a smaller product of the GeminII line that is aimed at system that lack space but also needs optimal cooling performance. A very thin 120mm cooling fan and four heat pipes helps to achieve this.

 

Introduction to the Cooler Master GeminII M4 CPU Cooler

The world is filled with more CPU coolers made for overclocking than I can count. Every month we get a few of these coolers to test and all do at least a decent job at doing what they supposed to do. And many of us are forced to choose these coolers in builds where they are not going to be performing that task. Granted they do a great job in non-overclocking situations but we are paying more for something we are not going to be using.

A few companies are looking to gear their merchandise to all PC users and not just a few. This is where the Cooler Master and their new GeminII M4 comes into play. The GeminII M4 is a smaller product of the GeminII line that is aimed at system that lack space but also needs optimal cooling performance. A very thin 120mm cooling fan and four heat pipes helps to achieve this.

Cooler Master’s take on the GeminII M4

Redefining cooling performance for space restricted environments, GeminII M4 is engineered to maximize cooling with its minimal CPU contact gaps and four extremely efficient direct contact heat pipes that provide excellent heat dissipation. Standing at a mere 59mm / 2.3in tall, it is uniquely suited to thrive in the small spaces afforded to CPU coolers in HTPCs and other slim systems.

A unique heat pipe layout is utilized that orients the heat pipes to direct the flow of heat more efficiently to the aluminum fins where the heat is exhausted. Much like the GeminII S524, GeminII M4 features an airflow design that is 90 degree rotated to avoid heat radiating from the motherboard. In turn, this orientation simultaneously provides a steady airflow to motherboard chipsets surrounding the CPU socket.

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Specifications

Model

RR-GMM4-16PK-R2

 

CPU Socket

Intel Socket:
LGA 2011 / 1366 / 1156 / 1155 / 775 *

AMD Socket:
FM1 / AM3+ / AM3 / AM2+ / AM2

 

CPU Support

Intel:
Core™ i7 Extreme / Core™ i7 / Core™ i5 / Core™ i3 / Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium / Celeron

AMD:
FX-Series / A-Series / Phenom™ II X4 / Phenom™ II X3 / Phenom™ II X2 / Phenom™ X4 / Phenom™ X3 / Athlon™ II X4 / Athlon™ II X3 / Athlon™ II X2 / Athlon™ X2 / Athlon™ / Sempron™

 

Dimension

137 x 122 x 59mm (5.4 x 4.8 x 2.3 in)

 

Heat Sink Dimensions

120 x 118 x 44 mm (4.7 x 4.6 x 1.7 in)

 

Heat Sink Material

4 Direct Contact Heat Pipes / Aluminum Fins

 

Heat Sink Weight

210g (0.46 lb)

 

Heat Pipes Dimensions

ø6mm

 

Fan Dimension

120 x 120 x 15 mm (4.7 x 4.7 x 0.6 in)

 

Fan Speed

500 – 1,600 RPM (PWM) ± 10%

 

Fan Airflow

17.4 – 58.4 CFM ± 10%

 

Fan Air Pressure

0.18 – 1.76mm H2O ± 10%

 

Fan Life Expectancy

40,000hrs

 

Fan Noise Level (dB-A)

8 – 30 dBA

 

Bearing Type

Long Life Sleeve

 

Connector

4-Pin

 

Fan Rated Voltage

12 VDC

 

Fan Rated Current

0.2A

 

Power consumption

2.4W

 

Fan Weight

79g (0.17 lb)

 

Warranty

2 years

 

UPC Code

884102013140

 

Notice

* Supplied accessories may differ by country or area. Please check with your local distributor for further details.

Features

  • 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.

Closer look

As stated in the introduction the new GeminII M4 is intended for those that seek a CPU cooler that will operate effectively in smaller tighter spots like SFF and HTPC builds. This is the segment mostly ignored and has too often utilize the stock cooler than comes with the processor in the build. Well, now it seems thus group have a cooler to call their won.

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This M4 is actually a revision of the original with this one accommodating the 2011 socket from Intel.

The new M4 stands just 2.3” off the surface of the motherboard. Just tall enough to duck under any of the components that limit smaller cases. With the fan attached the cooler weighs just .63 pounds. That is barely enough to appeal the smallest amount of stress on the motherboard.

The M4 is a top-flow or table-top type cooler. These particular types of coolers are decent coolers but their greatest advantage over the tower type is the ability to blow air over the motherboard and cooling any components surrounding the CPU socket.

The top half of the cooler is comprised of a full set of aluminum fins. The fins not only provide the fan a place to sit but help to dissipate the heat made from the CPU and adsorb by the heat pipe. The center of the fin array has a small indention to eliminate the fan’s hub from been a negative factor in the cooling process.

The four heat pipes of the M4 are made of copper with two of them protruding from each side of the base. The pipes measure 6mm in diameter which should be good enough for decent performance from a non-overclocked or turbo-enable processor.

The base of comprised of the same four heat pipes we just finished talking about. We have yet to see a base featuring the direct heat pipe technology have a shiny base and the M4 is no different.

The fan of the M4 is pretty thin but does offer decent performance. The fan is a 120 x120 x 15 mm and quite a bit thinner than the 120 x 120 x 25, we are commonly used to. The fan rotation speed is 500 – 1600 RPM and PWM controlled. Offering maximum air movement of 58.4 CFM and the noise level is 8 to 30 dBA.

Mounting Images

Testing Methodology

For our testing we will be using the following procedures and parameters to acquire the necessary data:

  • Thermal compound used is Arctic Silver 5
  • Idle temperatures are recorded after the system has been allowed to idle for thirty minutes from the point Windows has finished loading.
  • Load temperatures are recorded by running OCCT for twenty minutes on all available threads.
  • Real Temp is used for the recording of all temperature sensor reading.
  • PWM function is disabled via BIOS to allow the fans to run at full speed.
  • CPU model and overclock speed used for testing are outlined below in “Test Hardware”.
  • Each cooler is first tested with one fan supplied from the manufacturer.
  • Each cooler is then tested again with a second fan attached if provided by the manufacturer.
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Test Hardware:

1. ASUS X79 Deluxe Motherboard
2. Intel Core i7 3930K Processor
3. Kingston HyperX 1866 DDR3 16GB
4. Kingston V+ 200 120GB Solid State Drive
5. ASUS BC12B1LT BD-Rom Drive
6. Thermaltake Frio Extreme CPU Cooler
7. Microcool Banchetto 101 Open Air Test Bench
8. Silverstone Strider Gold Evolution 850W Power Supply
9. ASUS Nvidia GTX 560Ti 448 Graphic Card

Results

 

Conclusion

The Cooler Master GeminII M4 is a great little cooler if you are working with space restrictions. If you are working with a mATX or ITX system in a small form factor enclosure this cooler is definitely worth a look. It will fare way better than that of the stock cooler when it comes to cooling performance and remain just as quiet. And these are two of the main factors of a CPU cooler when working in these tight confinements.

The GeminII M4 is not meant to be used in an overclocked environment and that is the reasoning for the type of typing we did. But you will not need to disable your Turbo or other functions as the cooler still should be able to do an admirable job of cooling.

The cooler can be a little of a nuisance when it comes to mounting. The procedure is simple but if you have a series of tall heat sinks on your motherboard tighten the screw of the cooler in that area maybe annoying because you cannot make a decent rotation with the included wrench.

About $35 the GeminII M4 could be yours.

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ProClockers was founded in 2004, and since then we have reviewed thousands of tech products, including motherboards, CPUs, graphics cards, PC cases, cooling solutions and more. Whilst many of the original products we reviewed back then have long bit the dust, we continue working hard to provide unbiased PC hardware and tech reviews.

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