Cooler Master CM 690 III Computer Case with Seidon 120V Review


The Cooler Master CM 690 series has been one of the staples in the mid-range Cooler Master stack for years and it is one case I am extremely familiar with. Four years ago, I was building systems for friends and family and whenever one of them came to me with a tight budget I almost always recommended the CM 690. The reasons were simple, it was affordable, had an abundance of space to fit high-end hardware and for future upgrades, as well as a host of features that were cutting edge for the time. The build quality was also excellent for a case in its respective price range, It was one of the first case I used that was built like a tank. Of course as with all cases there were some areas were the case was weak, but most of these got ironed out in the 690 II.

Since the second iteration of the case, Cooler Master hasn’t changed the 690 dramatically, that is until now.

As the third installment in the series, the new case is properly dubbed the CM 690 III, which is an update to the series that retains the curved metal mesh exterior, but with an entirely new interior. Inside the new case you will find features such as a HDD/SSD combo cage that can be switched between 3.5-inch or 2.5-inch drives via adjustable tool-free HDD brackets, ample room for liquid cooled radiators and support for up to 9 fans. Even with the re-imagined interior though the CM 690 II stays true to it’s affordable roots, as the case alone retails for only $89.99.

There are multiple options to purchase the CM 690 III in though, such as with or without a side window and there is even a version that comes bundled with a Cooler master Seidon 120V all-in-one water cooler.

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