The NZXT H510 case is pretty notorious for having terrible airflow. Not something I was aware of before ordering it and setting up my last PC build.
I decided to have a little fun with it and incorporate it into my office transfer fan, and utilize an extra 8″ inline fan I had to try and “force” airflow through it to produce better temperatures.
(Spoiler alert, it didn’t help!)
There isn’t much to say in this post, I just wanted an archival “source” of this photo since it tends to make its rounds on social media.

What’s happening here?
- 8″ flex duct is pulling cold, dry air from outside > forcing it through a 4″ duct to the front side panel
- 4″ white flex duct is pulling cold, dry air from outside > blowing it under the GPU
- 4″ white flex duct is exhausting out the top, being pulled into my transfer fan ducting to the bedroom
(The metal round duct has another 8″ inline fan that pulls air from my living room on the other side of the wall, to the bedroom.) I cut a 4″ hole into the bottom of that inline filter box to try experimenting with stuff like this.
As I mentioned this photo definitely makes its rounds on social media. Getting over 34k upvotes on Reddit, I quickly noticed a trend with the discussions that pop up under it. Not that anyone even reads this, but to I need to clarify for posterity:
- The air is not moist and there’s no condensation inside.
- Bugs, dust, rats or mice do not get into the PC. This was setup for less than a day.
- It did not provide any notable temperature benefits to the main components. Less than ~3C change.
- This was just for fun. It was purely experimental and a product of my boredom.
14 years ago in 2009, before I had a job or any direction in life, I set up this similar abomination to try and help my overheating laptop:

Thanks for looking!