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ZALMAN FX70 Fanless CPU Cooler

  • High performance Fanless design
  • Twist heatsink structure for more cooling capacity
  • 6 heatpipe Black-pearl nickel plated
  • Additional optional fans may be installed for increased performance.
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The new FX70 CPU cooler is designed to provide the maximum cooling performance. It features a Twist heatsink structure, boasts six beefy heatpipes, and even allows you to install extra low-noise fans (sold separately) at the front or back. Thanks to the fanless design, this durable unit is the perfect cooling solution at places where noise, dust, and vibration can be detrimental to the system and its surrounding areas. Additionally, it works with most CPU sockets.

detailed view and application

  • newegg Unmatched cooling performance The twist fin design maximizes natural convection through continuous stirring of the airflow. Up to six heatpipes provide optimized heat transfer performance. Plus, the high performance Thermal Grease (ZM-STG2M) also helps maximize adhesion and cooling performance.
  • newegg Mount extra fan This unit is able to add optional low-noise fans at the front or back. And, fan clips are provided for only one fan mounting.
  • newegg High durability The high-performance fanless design minimizes factors that influence the damage of electronics, such as vibration and dust, to extend its lifespan. The heatsinks have black pearl nickel-plating for enhanced corrosion resistance and a luxurious image.
  • newegg Wide compatibility The FX70 fits in an ATX mid tower case (width 180mm) and is compatible with most CPU sockets, including Socket 1150, Socket FM2, Socket AM2+/AM2, Socket AM3+/AM3, Socket FM1, Socket 775, Socket 1156, Socket 1366, Socket 1155 and Socket 2011. (Please apply optional fans for CPUs generating heat over 95W.)

Learn more about the Zalman Tech Co., Ltd FX70

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Zalman Tech Co., Ltd FX70

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  • Kyung K.
  • 1/16/2015 4:38:41 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome CPU cooler

Pros: This Zalman FX70 could be the best CPU cooler I have ever owned so far without mentioning the quietest one. With a promotion code and mail rebate, it was a good price to purchase. The average temperature on idle phases is 2 C lower than before, although the temperature when CPU is running is slightly higher than a stock cooler.

Cons: The size of this cooler is huge. The height is 158mm and it doesn't fit on my mid tower case. I have to take away a side panel and put on the customized one to fit it on. Also, if you are using your computer overclocked with heavy usage, I would recommend to put a PMW cooling fan.

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  • Lars H.
  • 1/2/2015 3:33:31 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSilent, Large, and Effective

Pros: Perfectly silent, and seems to cool my 6-core AMD FX-3600 effectively.

Cons: Hard to install on AMD sockets. The heat sink is large enough that I had to bend two of the fins so that I could fit it over the RAM.

Other Thoughts: I have installed it in a midsize ATX computer case. I don't think it would fit in anything smaller.

You may want to set up your rear case fan to respond to CPU temperature. In the absence of an additional fan, the rear case fan essentially acts as the "CPU fan" for this heatsink.

1 out of 1 people found this review helpful. Did you? Yes No

  • Grant N.
  • 8/19/2014 8:04:31 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Cooling Solution

Pros: Easy Install; No moving parts; Looks great; Works with smaller-end mid-size ATX cases; Great design and functionality and it's very inexpensive. The optional fan setup is great because you can customize as needed

Cons: Not really a con; but be aware of size/dimensions; should work with most setups but may be too big for micro atx or compact cases; in some setups it may impact memory install, but on my Asus z97 pro there was no issue, even with fan installed (optional)

Other Thoughts: Great alternative to complex cooling systems that may not last as long

2 out of 2 people found this review helpful. Did you? Yes No

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