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Cooler Master HAF Stacker 935 Case Review

Posted October 15, 2013 by James Taylor in Cases & PSU







Total Score


Price at time of Review: $169.99 for the HAF Stacker 935 $69.99 for the 915R/915F


Support for multiple Systems and Configurations. Modular HDD bays, multiple rad configurations. Excellent cable management and multiple cable/tubing routing ports positioned in all the right places.


Fan filters are poorly placed in the 915R. No support for 240mm rad in the front with top mounted ports.
Overall, the 935 Stacker is unparalleled in this multi-system role and offers tremendous value.
by James Taylor
Full Article


We all know the HAF series of cases from Cooler Master have been a very impressive series boasting excellent air flow and more. I can attest to this having previously owned the HAF-X. In this review we will be taking a look at something new and innovative from Cooler Master, the HAF Stacker 935. The HAF Stacker 935 is a modular case allowing for multiple systems to be installed in the same case!


Today we are reviewing the Cooler Master HAF Stacker 935; however, by adding an additional 915 to the bottom (or top) of the case it transforms the Stacker 935 into the Ultra Tower (945). This means we could potentially have our main gaming rig, our server and our dedicated folding rig all in one case! The 935 is actually the combination of the 925 and the 915 cases. Adding the second 915 to the mix upgrades it to the 945.

This would allow us to use less space than ever before as you can see in the photo above. The HAF Stacker supports 2x 360, 2x 280, 1x 240 and 1x 120/140mm radiators depending on the configuration you choose. We can also add up to 12 fans and 9 standard hard drives or SSDs, depending on which configuration you choose. There are also two different models of the 915: the 915 R and the 915 F. The 915 F holds the PSU in the front allowing for tower heatsinks. The 915 R has the PSU mounted in the rear, offering better GPU cooling and HDD support.

This case also has another really cool feature. It includes a single PCI-e slot located on the side of the case so we can display one of our GPUs. We will look at this later on in the review.

Before we dive into this review of the Cooler Master HAF Stack, let’s read a word about Cooler Master.


The three cornerstones of Cooler Master’s business philosophy are innovation, speed, and customer satisfaction. It has been Cooler Master’s steadfast commitment to these values and ability to fulfill its promise to honor them that accounts for its sustained record of growth and the many long-term customers it has accumulated. Together, innovation, speed, and customer satisfaction ensure that Cooler Master is the supplier that the companies around the world rely on to deliver the best thermal solutions, creating a win-win situation both for Cooler Master and the companies that become its customers.






    Curious Cat

    Hey there James, I also plan on watercooling the haf stacker, the possibilities are endless. I love the loop you used for the build, and I want to know what is the loop arrangement you used?
    Thanks in advance


    I just got this case my self staking it in the 945 ultra tower plan on placing my drives and power supply in the bottom 915 using the top 915 as a rad box giving me plenty of room for my GPU and res and pump in the main system cant wait to get my build started.!!!

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