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Cooler Master Seidon 240M Liquid CPU Water Cooling System with Copper Heatsink and 240mm Radiator - 2 Fans

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Currently unavailable.
We don't know when or if this item will be back in stock.
  • Factory filled with coolant, then sealed and pressure tested - requires zero maintenance for years
  • Waterblock made with UltraFine Micro Channel enlarge the contact surface between cold plate and coolant
  • Durable and powerful water pump - dissipates heat effectively and maintains temperatures through stable water circulation
  • Performance 240mm radiator is designed for handling high wattage overclocked CPU
  • Double 120mm PWM fan with a wide RPM range to fine tune and balance fan noise and performance

Return Policy on this item

Return Policy on this item

This item is non- returnable

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Product description

From the Manufacturer

FEP Tubing

The FEP tubing has advantages of nearly no moisture absorption, high thermal stability and high pressure tolerance to enhance product life and durability.

Ultra-Fine Micro Channels

Cooler Master UltraFine Micro Channel with 2 times micro channel surface area transfers maximum heat between cold plate and coolant.

Durable Ceramic Bearing

Ceramic bearing offers many advantages such as higher speed and acceleration capability, increase stiffness and lower friction, which resulting a durable and long life pump.

Product information

Technical Details
BrandCooler Master
Item Height28 Millimeters
Item Width11.9 Centimeters
Item Weight953 g
Product Dimensions27.2 x 11.9 x 2.8 cm
Item model numberRL-S24M-24PK-R1
Additional Information
Customer Reviews Be the first to review this item
Best Sellers Rank #1,49,473 in Computers & Accessories (See top 100)
Date First Available30 October 2013
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Most helpful customer reviews on Amazon.com

Amazon.com: 3.9 out of 5 stars 84 reviews
Yumi Koizumi
5.0 out of 5 starsMy first liquid cooler, quite impressed!
20 February 2014 - Published on Amazon.com
Verified Purchase
12 people found this helpful.
Michael B.
4.0 out of 5 starsOverclocking enthusiast
11 November 2013 - Published on Amazon.com
Verified Purchase
L. McNerney
5.0 out of 5 starsEasy to install, could use some visual cues
6 August 2014 - Published on Amazon.com
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5.0 out of 5 starsGreat cooler/lousy instructions.
20 October 2014 - Published on Amazon.com
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Josh Wheeler
5.0 out of 5 starsWOW.
29 September 2013 - Published on Amazon.com
Verified Purchase