This custom-made gaming PC looks like a toaster, but don’t be fooled, it features an RTX 4090
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A team of tech enthusiasts has successfully completed a highly ambitious project: a water-cooled gaming PC housed within a compact 13-liter case. The build, featuring a powerful 14900K processor and an RTX 4090 GPU, took six months to complete but has left its creators and following audience impressed.

The PC, dubbed “The Toaster,” is diminutive in size, but boasts impressive specifications, including a 14900K processor, 4090 FE graphics card, custom Billet Labs Monoblock, 120mm radiator, two 184mm radiators, 32GB of DDR5 7200MHz RAM, 4TB 12400mbps M.2 SSD, 4TB 7200mbps M.2 SSD, 4TB SSD, 1300W PSU, and a heavily modified Jonsbo N1 case.
The builders faced numerous challenges, including fitting all of the components into the small case, ensuring proper cooling, and optimizing performance. Their efforts were rewarded with a system that is not only incredibly powerful but also remarkably compact and efficient.
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A one-off project
The build was a one-off project for a customer who was able to acquire it at a discounted rate in exchange for allowing the builders to document the process for their YouTube channel. Despite the reduced cost, the PC represents a significant investment, with an estimated value of over £5,000 in parts alone. Additionally, the builders estimate that they spent approximately 150 hours of their time on the project. You can watch the full build series on Billet Labs YouTube channel now.