Don’t forget to include $5 for a screwdriver, too The Zalman Z9-U3 isn’t a great case but, at a cost of $70, it would be difficult to expect this mid-tower chassis to move many mountains. You can only connect a total of two fans to the case’s built-in controller unless you pick up some additional adapter on your own. The case’s design isn’t all that different from the company’s previously released Z9 chassis. Changes include the removal of the case’s grilled side in favor of an acrylic window and the happy inclusion of USB 3.0 connectivity on the chassis’ frontâ€"two ports, with internal headers. Although the switch from a grilled side to acrylic means that you’re down two potential fan slots, the case supports five fans in total (ranging from 12cm to 14cm) and comes with three preinstalled for you. Fans seem as if they would be a big deal on the Z9-U3, mainly due to Zalman’s new inclusion of a “controller†dial on the case’s front. Presumably, this allows you to adjust the speed of connected fans from low to high. However, you can only actually connect a total of two fans to the dial’s available 3-pin connectors. As it just so happens, only two of the three preinstalled fans on the Z9-U3 case have three-pin connections of their own; one’s the case’s top blue LED fan, whose light will vary in intensity when you spin up or slow down the fan itself. Below this controller dialâ€"and to the left of the front panel’s two USB 3.0 and two USB 2.0
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