Cooler Master Gemin II S524 CPU Cooler Review

Tower coolers are becoming more and more popular due to their high powered cooling abilities, while horizontal coolers are becoming less prevalent. The reason being is they just don’t work as good as towered coolers. What if I told you there was a horizontal, low profile cooler that will not only fit over your RAM with high heat spreaders, but also provide decent cooling power. The Cooler Master Gemin II S524 is a CPU cooler that has all of that and more. Read on further to see what all it has in store.

Special thanks to Cooler Master for providing us with the Gemin II S524 CPU Cooler to review.


  • Balance cooling between CPU and components on the motherboard.
  • Higher ground clearance for better memory module compatibility.
  • Larger heatsink for better performance.
  • 12cm PWM fan provides versatile performance for full loading efficiency and for quiet idling.
  • Compatible with 14cm fans (optional).


Model RR-G524-18PK-R1
CPU Socket Intel Socket:
LGA 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 / CeleronAMD:
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 144 x 144 x 105 mm (5.7 x 5.7 x 4.1 inch)
Heat Sink Material Copper Base / 5 Heat Pipes / Aluminum Fins
Heat Sink Weight 490g (1.08 lb)
Fan Dimension 120 x 120 x 25 mm (4.7 x 4.7 x 1 inch)
Fan Speed 800 – 1800 RPM (PWM) ± 10%
Fan Airflow 34.2 – 77.7 CFM ± 10%
Fan Air Pressure 0.43 – 2.46 mmH2O ± 10%
Bearing Type Long Life Sleeve Bearing
Fan Life Expectancy 40,000 hours
Fan Noise Level (dB-A) 15.1 – 31.6 dBA
Connector 4-Pin
Fan Weight 104g (0.23 lb)
Rated Voltage 12 VDC
Operating Voltage 6 – 13.2 VDC
Rated Current 0.21A (Tested and certificated under a safety current of 0.32A)
Input Power 2.52W
Notice * Supplied accessories may differ by country or area. Please check with your local distributor for further details.
UPC Code 884102011498

The S524 comes in a thin and wide package, just like the cooler itself. The package coloring follows the cooler master color scheme of white and purple around the entirety of the box. The front of the package includes a large image of the cooler along with some basic product information. A little more detail can be found on the rear of the box, which includes the information in several languages.

Cooler Master Gemin II S524 CPU Cooler Cooler Master Gemin II S524 CPU Cooler

The cooler is well protected inside the thin cardboard box by two pieces of soft foam. Also inside the box are the necessary installation hardware and User’s Manual for both AMD and Intel installations.

Cooler Master Gemin II S524 CPU Cooler Cooler Master Gemin II S524 CPU Cooler