Cooler Master N400 Reviewred454 -
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Coolermaster N400 Closer Look:
When I pulled the case out of the box, I realized just how much larger and how much heavier it is compared to its little N200 brother. It retains the same classic style as the others in the N series, but on a larger scale. The case measures 190mm x 426mm x 501.4mm / 7.5in x 16.7in x 19.7in. The entire front is a metal mesh for air flow. There is a plastic rib that runs vertically on the right and contains the mounting for all of the front I/O, along with the Cooler Master logo. Looking at the front of the case, we have two bays for 5.25" optical drives and one 3.5" bay. Very conservative, but certainly not boring.
Then on the rear there are two knockouts for external water cooling lines, a 120mm (included) cooling fan, and seven expansion slots. Next to the expansion slots, and in between the water cooling knockouts, are three additional vents to aid in air flow. And at the bottom, of course, is the space for the PSU.
On top we have the ventilation grid with mounting for a 120mm or 240mm radiator, or two 120mm fans. You can see the offset of the top vent to allow for fan/radiator clearance if you use a top mounted radiator. Looking at the bottom, there is a mesh filter for the PSU attached from inside. It really is just a piece of mesh attached from the inside, which would be a little difficult to clean after you install your power supply. What I find a little odd is that the N200 and the N600 both have plastic-framed dust filters that easily slilde out from the bottom.
The sides of the case are fairly standard. Both are flat and we will see if there is enough space for cable management. One side is vented and has mounting holes for either a 120mm or 140mm fan, and on the other side there is a large vent for... wait for it... a SIDE mounted radiator! The N200 had the ability for a front mounted radiator, but the side mount on the N400 really has me anxious to see how it would fit. Both side panels use removable thumb screws for retention.
Here is a close up of the front I/O. From the bottom up, you have two USB 3.0 ports, two USB 2.0 ports, a microphone jack, a headphone jack, HDD activity light, power button, and finally the reset button.