A Closer Look - Outside

Out of the box, the Corsair 4000D Airflow impresses with extremely clean looks and a few unique design elements to set it apart in its price segment with an abundance of choice. The window is one of the cleanest implementations I have seen, with flush gaps to the rest of the chassis, and the yellow touches do help the case stick out, along with a uniquely designed front air grill.


In the front, the air intake is essentially one metal plate that may be taken off to reveal a uniquely shaped, plastic frame that forms a flat air funnel. In the center, a very fine, easily removable dust filter protects the intake area from dirt and grime, all while allowing for easy access and cleaning. The Corsair 4000D Airflow ships with one 120 mm intake fan in the front, but allows for two more to be installed here. Naturally, you may also go with up to a 360 mm radiator in the front if you like.


In the rear, the enclosure looks pretty traditional, so to stand out, Corsair added little yellow accents to the thumb screws securing the side panel. As mentioned, the glass side panel is one of the cleanest around, but is also tinted just a tad too heavily for my taste. That said, it may be just fine for you. On the opposite side is a solid, metal panel to keep your cable mess hidden.


Taking a closer look at the rear, the bottom PSU bay is underneath a shroud and comes with two sets of mounting holes. Above that are the 7+2 expansion slots. Each of these is protected by a removable and reusable cover that is held in place by a thumb screw. Even though you can install a dual-slot GPU vertically, you will, as with most cases out there, need to buy the required accessories separately. In the very top is another 120 mm fan, this time set to push hot air out the back. This brings the total number of fans within the Corsair 4000D Airflow to two, which some may find disappointing considering its name. With many brands offering four or even five fans out of the box at a similar price point, alongside RGB controls and the likes, Corsair is keeping their functional feature set within the 4000D Airflow pretty lean.


Across the top is a large magnetic dust filter that comes with the same triangular-shaped cutouts instead of simple round holes. Corsair also added a yellow silicone tab for easy removal, which is a nice touch. Underneath it, you will find the ability to install two 120 or 140 mm fans, or up to a 280 mm radiator.


In the very front is a single USB 3.0 port with a yellow interior, fully fledged USB-C connector, and combo 3.5" audio plug, with the power or reset button on either side. The implementation is quite clean, but there is no reason Corsair could not have included two USB 3.0 connectors, and unlike some competitors, they do not include an audio splitter cable, so if your headset happens to have two separate connectors, you will have to go out and find your own solution. Underneath the case, a dust filter protects the PSU from dirt and grime—it may be pulled out for easy cleaning.