ATX: Fractal Design ION+ 650W 80 Plus Gold SFX: Fractal Design ION SFX-L 650W 80 Plus Gold Provided by: Fractal Design
Cooling:
be quiet! Pure Loop 120/ Pure Loop 2 FX 240/280/360 Provided by: be quiet!
Assembly
Installing a motherboard is done using screws and traditional spacers. There is tons of room around the board, with all the openings lining up very nicely for easy cable routing. Unsurprisingly, even the biggest GPUs should fit inside the H9 Flow without issue as well, with plenty of clearance for the side fans or any liquid cooling assembly.
Adding an SSD to the center storage plate requires the use of traditional screws and tools as well. Thanks to the hinged design, you may connect the drive up and secure wiring as it won't move out of place after that.
To include a 3.5" drive in your build, you will have to pull out the metal tray first and then secure a drive with classic screws once more. Considering the size of the cage and spacing of the two drive bays within, NZXT could have easily designed this to hold three 3.5" drives instead. Once filled, simply pop it back into place underneath the PSU bay.
The power supply bay may look simple, but works perfectly. Even though you may install the unit with its fan facing either way, it is highly recommended you have it facing the exterior of the chassis. Long units will also easily fit and won't change your assembly experience at all as there is plentiful access no matter what unit you use.
Thanks to the removable top frame, you may prep your sizable AIOs and drop the whole thing back into place with ease. There is lots of clearance and you can still access all the connectors at the top of the motherboard. Ideally you would still pre-route these cables before adding the AIO, but the ability to just unscrew the frame and raise it for a moment to run wires is a simple and painless workaround if necessary.
With everything in place, the hardware within the NZXT H9 Flow looks a little miniscule. While you cannot see any wire mess at the top of the chassis and the ATX power and USB leads are nicely hidden for the most part, the bottom opening does introduce a bit of noise unfortunately. It would have been most excellent if NZXT would have placed white grommets on these or at least designed a horizontal cable cover to mimic the vertical one in some way. On the backside, away from view, the cable management possibilities with the H9 Flow are excellent. The only downside is, that those not using an radiator in the ceiling of the chassis will have a hard time hiding any cables in that area properly. There is also lots of empty space on the floor of the case, which only provides hooks for zip ties. This is another place where NZXT could have added mounting for one additional 3.5" drive. There is a pair of openings in the center, which is where NZXT mounts the RGB and Fan controller found in the Elite variant of the chassis.
Finished Looks
Turning the system on, besides the spinning fans and a white LED around the power button, there is not a lot of visual indication that the PC is powered on, as there are no RGB elements within the H9 Flow.
The H9 Flow is meant to be a clean, understated case and those who build in it will mostly stay clear of multi-colored RGB elements. Instead the case will really shine if you have as many white components as possible or at least use white fans with white illumination. In other words, the chassis sports a beautiful design that you should really take into consideration when planning your build. The clear, untinted glass panels allow you to see everything as well and it feels like our usual show system components don't really do the H9 Flow justice visually.
On the opposing side, you can actually see through the perforated opening with the white fans on the left and the screws for the mounted SSD in the center. In the rear everything is easily accessible with lots of room all around.