NZXT Kraken X40 & X60 CPU Water Cooler Reviews

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The Test System

Before we take a look at the performance numbers, let’s take a brief look at the test system that was used.  All testing was done using a fresh install of Windows 7 Professional 64-bit and benchmarks were completed on the desktop with no other software programs running.

  • Intel Core i7 4770k Quad-Core Haswell CPU
  • NZXT Kraken x40 or x60 Liquid CPU Cooler
  • 16GB Corsair Vengeance Pro 1866MHz Memory
  • GIGABYTE Z87X-UD4H Motherboard
  • EVGA GTX 570 Classified Video Card
  • 2x 120GB Samsung 840 Pro SATA III 6Gb/s SSD’s in RAID 0
  • Thermaltake Pure Power 680w Power Supply
  • Windows 7 Professional Operating System
  • Fractal Design Define XL R2 Case

 NZXT Kraken x60 Installed

Intel Z87/LGA1150 Platform

The Intel Z87 platform that we used to test these memory modules was running the GIGABYTE Z87X-UD4H motherboard with BIOS version F7 that came out on 08/05/2013.  The processor used, the Intel Core i7 4770k, will be using the stock frequency of 3.5GHz with turbo boost enabled, which can boost it up to 3.9GHz.  Low power state is enabled, which clocks the CPU at 900MHz.


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  • Mike

    Just a word of warning, Please please please don’t believe what is written in the compatibility guide online. They aren’t tested in any of the cases bar their own like they have you believe, and the product is not compatible with the majority for rear placement (only top placement where larger Rads should be going).

    NZXT Tech Support Manager (Eric Henry) recommend you cut your case up to accommodate the non compatible (but apparently compatible) product.

    As they refuse to accept any responsibility, I am now taking it upon myself to warn others before they make a similar mistake. Although its a nice product, the support is terrible, and it is only really compatible with their own cases for the majority.

  • Guest

    Hi, i run a crossfire with the x40 on each GPU. i noticed i can only control one of the pumps/fans. Any idea why?

    Thank You

    • Paul Margettas

      The software is probably only designed to control one pump at a time.

  • David

    Hi, I noticed that you installed your x60 backwards (hoses on the right, resulting in the nzxt logo being upside down) and left in the rear 140mm fan. Most builds I’ve seen pictures of floating around remove the 140mm fan from the rear and install the x60 (hoses on the left) resulting in the logo being right side up. 2 questions 1) do you recommend installing it the way you installed yours (leaving in the rear 140 mm fan) and 2) is there a reason you installed it upside down in terms of the logo?

    • BuzzFuzz

      David, it doesn’t matter in which way.. they turned that way coz of pipe maybe looks better this way. cheers