# 3D-printed 110cm chimney lowers Ryzen 7 9800X3D temperature from 90°C to 71°C

> **Open Intelligence Dossier** · First detected: 2026-08-02 03:07 UTC · Category: Technology

## Executive Summary
A modder uses a 110cm 3D-printed chimney to passively cool a Ryzen 7 9800X3D, slashing temperatures significantly.

## Intelligence Brief
Recent technology coverage details an unusual hardware modification involving a desktop processor and a tall exhaust structure. Specifically, overclocker der8auer built a 110-centimeter, 3D-printed modular chimney designed to passively cool a Ryzen 7 9800X3D processor without the use of any fans. According to the reports, this setup successfully lowered operating temperatures from ninety degrees Celsius down to seventy-one degrees Celsius, representing a substantial reduction of nineteen degrees Celsius. Publications such as Tom's Hardware, Hackaday, Wccftech, VideoCardz.com, and Zamin.uz have extensively documented the experiment.


Outlets emphasize the sheer physical dimensions of the apparatus, noting that the modular chimney stands too tall to fit inside any standard computer case currently available in the world. Coverage highlights the application of the chimney effect to achieve passive cooling performance, capturing widespread interest across hardware enthusiast communities. Background context within the reports centers on the persistent engineering challenges of managing thermal output in high-performance computer processors like the Ryzen 7 9800X3D. While traditional cooling relies heavily on active fan-based heatsinks or liquid loops, this experiment revisits large-scale vertical airflow principles.


The current coverage does not yet specify whether commercial adaptations will emerge or if further modifications are planned by the creator. Future updates will depend on whether additional reporting tracks further iterations of the tall passive cooling design or tests on other processor models. Readers must rely on ongoing updates from the participating outlets to track any subsequent hardware modifications, as current information remains limited to the initial overclocker demonstration and thermal results.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Zamin.uz | Famous Overclocker Installs Meter-Long Pipe on PC Cooling System | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxOT3llaGpHLTI3VVBfdVctUXVVb0Y2ZkFLZFhLMTd0WjlYN3Vic2MxanZsOGRSWjlwaXlZMllGSG5IRkU3UlF2YWhneXR5ejVEaTVCV1ZYS0s2OFF3OTZZMDMtUC15RkhsQzdGYUVzNFZMbkwtd2MzYnZKbHhnaXJvQjh5NFdmaFFWV3JtV3JDOUtJR0l5VFc1SEdEd1d2RWxIbVpMVkZLZ2FJOFU?oc=5) |
| Tom's Hardware | Modder der8auer builds 110cm 3D-printed chimney to passively cool Ryzen 7 9800X3D without fans, cuts temps by 19C — radically simple PC mod uses the 'stack effect' | [Source Link](https://news.google.com/rss/articles/CBMiwgJBVV95cUxQbjVyaVJINmhzSHY0akFnZlVlbDd1WHF0UkhsUUNhSDFYVFpOUFZOUkFQUVRqZjh5dGgzZDd3dlRKWmVvM29MVnFSaWZaMVctdjVmRmhBZ29vVUVTYWZpbmItU1RiNGFYZjFUYldXWHNzMXlMSThLUGV2Q09obzA5R3BGQ2hoNTRxcUpVVWtFWnhKYW1IYjNzclJzZy03djQxYnZaNWFVcFdBWjBCVVFTdzdBV0tjTUR4SWlSMXVLbm5UdDhGTEFSVUp3Nkg3TXc2YW13TUtYMVBjMjFhWkhiWF85OUlxTmE0dzZfcWVDem93ZV9MN0prd25SR094TWtZLVpfblRqZG5iSzV0cERMN3pFRGJRLTVSWUJyQ01wbjVzdEZQZkgxY0pNT3M1cDI1ZG9CXzROTzlWZVpOcDFoZmNB?oc=5) |
| Hackaday | Using The Chimney Effect To Drop Passively Cooled PC Temperatures | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxNc0loV05JeW03aXNsMXlzY3NaUEVjUXI1QzBIOXdyMkNnb2RwdGpuVVdUdl9KZlJsRGpKTWVyMEVjY1N4ZTdFZ29XdjhnTmxMY2dKcmpnSHp1VE9SWHNIQkZTLWJFdE44VUQ2SmQwNGJValVURUMtQjVKa0lPaWNMMUpzVkUxM2F3WXBmelRnYTZTNHB5UUpyMGUwcjRSeGM?oc=5) |
| Wccftech | A Ryzen 7 9800X3D’s Temperature Drops By 19°C Using A 3D-Printed Modular Chimney Cooler That’s Too Tall To Fit In Any Computer Case In The World | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxOdTFOeG9YUnFoZjVUN0xCQjEwdjN3bWFlZnBBZ2kzVi1uQWlNX0J3NGtzQ20tRzdzaGtTRUZXUGRBUk9RZHl1aVpDa1RSWEZ4LVVFdXJ6dFhtN1NfRlZxaXBjbV9Mb0g1ZkRkOGFNRWo5dmpPWWxSMzZRQnpOYlRHaGVud9IBiAFBVV95cUxQRVF4XzFQc0xOb2pZWGtfM3lpdGJKT2NkMDRpTUdrN1ZDQ1ZsaVFkZjRqTEVqXzNrU3RMNXUyTmdKVzcwcDFlak9Lejd6Mk8tM2lDajQ0OTBkOEtCY3ZnZXU0clBjdEVWU2ZaZXNXdjdCbUhMbkxPcU94aGU2bzg3UjdleWp2SlpJ?oc=5) |
| VideoCardz.com | 3D-printed 110cm chimney lowers Ryzen 7 9800X3D temperature from 90°C to 71°C | [Source Link](https://news.google.com/rss/articles/CBMipgFBVV95cUxOUE5KYWN3bk9MdHZlcUUwV3lORnFNOVpVRVBKQ0pZUUY3a0loZ0JodkljOS1aYmtOb3NocElvTWhOVUZMOWpwZnRCa3VEWnNQZVJ5ZTljMUY4R1RfSFEwUjJHSm9Dd09nRE5kNWxqcENMdU9ZbWtGNzVEdUdjM3Zjai1RTGlUVnRiU21jNzh5TFh6TTZLQ2xmZzdrUHZxRXR1bGxNblhB?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-02/3d-printed-110cm-chimney-lowers-ryzen-7-9800x3d-temperature-from-90-c-to-71-c*