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GameMax Sigma550 White ARGB CPU Cooler With 120mm PWM ARGB Infinity Fan

(£26.40 inc VAT)
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Intel: LGA1155 / LGA1150 / LGA1156 / LGA1151 / LGA1200 / LGA1366 / LGA1700
AMD: AM4 / AM5

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After the successful launch of the Sigma 540, GameMax have released the Sigma 550. The Sigma 550 Air CPU cooler is a compact single-tower CPU cooler with an aluminium heatsink which offers high performance cooling with a total TDP of 220W and silent operation, the Sigma 550 is perfect for overclocked systems and the most demanding workstations.

Overall Dimensions W D H
120mm 95mm 153mm
Weight 670 grams
Heatsink Material 5 x 6mm Copper Heatpipes and aluminium fins
Mounting Type Uses standard AMD Backplate
Includes backplate for Intel
CPU Sockets Intel 115x, 1200, 1366, 1700
Fan Size 120 x 120 x 25
Fan rpm 800-1800RPM
Fan Noise 32.5 dBA Max
Fan Airflow 58.96 cfm Max
Fan Connector 4pin PWM + 3pin ARGB
Thermal Grease Included

The Sigma 550 is focused on high performance efficiency, boasting five 6-millimeter-thick copper heat-pipes closely fitted between the radiator and CPU, absorbing the heat directly from the processor. The design of the heatsink is innovatively designed made to provide excellent thermal dissipation. Overall, the Sigma 550 provides the precise optimal heat dissipation and is paired with a stunning Infinity 120mm ARGB PWM fan for powerful cooling.

The 120mm ARGB fan comes pre-installed to make mounting this CPU cooler simple and easy with PWM functionality and featuring nine fan blades and a durable smooth hydraulic bearing motor. With a stunning airflow performance of 58.96 CFM and even with its exceptional cooling capacity of 220 Watts TDP, the fan is a quiet one with the maximum noise level just 32.5dBA for quiet cooling even at top speeds. Finished off with a stunning infinity mirror LED effect in the centre of the fan and at the top of the Sigma 550 it offers stunning aesthetics and adds a real dynamism to your gaming PC.

Pair with compatible Motherboard software such as ASUS AURA Sync, MSI Mystic Light Sync, Gigabyte Fusion 2.0 and ASRock RGB LED and customise your LED lighting even further with a wide array of vivid effects and patterns.

The aluminium top cover with the GameMax brand logo stamped on adds a sleek and stylish look and constructed from premium materials, the smart look of the Sigma 550 unlocks your thermal power that is perfect for your gaming set up.

The Sigma 550 is compatible with a range of both intel and AMD processors.

Key Features


  • High-Performance Cooling - Thanks to the design and innovations of the Sigma 550, it can tackle a massive amount of heat. It has a total TDP of 220W and with no compromise on silence or performance for overclocked systems and the most demanding graphics applications. Efficiently dissipating 220W of heat this allows your PC to keep up with the most demanding processors.

  • 3.0 Heat Pipe Direct Contact - The base of the Sigma 550 adopts H.D.T 3.0 heat pipe direct contact technology which effectively combines the heat pipe with the base and quickly takes away the CPU heat through the direct contact between the bottom heat pipes and the CPU, heat dissipation is more efficient.

  • 120mm ARGB PWM Infinity CPU Fan - Exhausting the heat from this unit is a 120mm PWM ARGB fan which is equipped with a hydraulic bearing, this fan has great longevity and ensures high speed operation and quieter performance overall. It operates between 800 and 1800RPM, with a maximum airflow of 58.96CFM. Whats more, the maximum noise level is just 32.5dBA, for quieter cooling even at top speeds.

  • Narrow Fan Frame Design - The narrow fan frame has a simple design and the distance between the fan blades and the fan frame is shorter which makes it more conductive for gathering airflow.

  • Noise Reduction Textured Design - The fan blades adopt a supercharged and noise-reducing textured design, operating a low noise and efficient heat dissipation.

  • Stunning Aesthetics - Stand out thanks to mesmerising infinity mirror LED ring effect on the fans and top cover you will not be able to take your eyes off it. The Sigma 550 gives your PC a futuristic look and adds visual flair to your set up.

  • Motherboard Software - The ARGB lighting effects can be synced through the Motherboard which supports ARGB function, 5V 3-Pin Addressable RGB header, including ASUS AURA, MSI Mystic Light, Gigabyte Fusion 2.0 & ASRock. Customise the look with endless possibilities with 16.7 million static modes and 12 pre-set lighting effects.

  • Anti-Vibration Pads - The 120mm cooling fan is equipped with anti-vibration pads that effectively reduce the vibration and noise generated by the radiator during operation.

  • 5 x 6mm Heat Pipes - Including 5 x 6mm direct contact heat pipes made of copper to accelerate the heat conduction through the entire heat pipes. This guarantees heat to be transferred quickly and efficiently throughout the aluminium heatsink, excellent thermal conductivity for the perfect cooling performance.

  • Aluminium Heatsink - The heatsink is made using 44 pieces of aluminium fins, the fins are arranged equidistantly ensures minimum airflow resistance and with excellent ventilation and heat conduction this allows a high volume of cool air to flow through the heatsink.

  • White Design - The GameMax Sigma 550 white is white from top to bottom, featuring a white coated heatsink, white anti-vibration pads and touch of ARGB. It's perfect for all-white PCs and gaming set-ups.

  • Intel Compatibility - Capable of handling intel high-end CPUs (Intel 13th Gen) Intel Socket LGA115X Intel LGA1200 / Intel LGA1366 / Intel LGA1700.

  • AMD Compatibility - Capable of handling AMD high-end CPUs (AM5) AMD Socket AM4 / AM5.



CPU Coolers

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CPU Cooler Fan Size:
CPU Cooler Height:
CPU Cooler Lighting:
CPU Cooler Socket:
  • AMD AM4 / AM5
  • Intel LGA115x
  • Intel LGA1200
  • Intel LGA1366
  • Intel LGA1700
CPU Cooler Style:

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