Custom 24-carat gold Kubb Fanless PC costs around $1.7 million and weighs nearly 29 pounds

A custom-built Kubb Fanless PC now exists in a solid 24-carat gold chassis, creating a device that is as much a luxury art piece as it is a computer. This unusual configuration matters to readers because it demonstrates the extreme limits of passive cooling materials, even if the practical application is limited to collectors rather than everyday users. The build highlights how material science can be applied to thermal management, though the cost and weight make it an impractical choice for standard computing needs.

Solid gold chassis adds massive weight for marginal thermal gains

The device is a modified version of the standard Kubb Fanless mini PC, which typically uses an aluminum chassis to dissipate heat without fans. Kubb offers this custom build for clients who want a unique aesthetic, but the switch from aluminum to gold fundamentally changes the physical properties of the unit. The standard aluminum model weighs 4.6 pounds, while the gold version tips the scales at 28.7 pounds (13kg). This massive weight increase is a direct consequence of using a dense precious metal for the entire enclosure.

Specifications

• Chassis Material: 24-carat gold
• Weight: 28.7 pounds (13kg)
• Processor Options: Intel Core Ultra 5 225H, Intel Core Ultra X7 358H, or AMD Ryzen AI 5 340
• Memory: 16GB DDR5, up to 128GB
• Storage: 1TB M.2 NVMe SSD, optional second M.2 SSD

Under the hood, the gold chassis houses one of several processor options, including the Intel Core Ultra 5 225H, Intel Core Ultra X7 358H, or AMD Ryzen AI 5 340. Memory configurations start at 16GB DDR5 and can scale up to 128GB, with storage provided by a 1TB M.2 NVMe SSD and an optional second drive. The primary technical advantage of the gold build is its thermal conductivity, which Fanless Tech notes is about 30% to 50% faster than aluminum. Gold conducts heat at 314 W/m K compared to aluminum's 205 W/m K, theoretically allowing the CPU to shed heat more efficiently.

Despite the superior thermal properties, the practical benefit for the CPU under load remains uncertain due to the sheer mass and cost of the unit. Fanless Tech described the build as a 'cooling marvel' after a wealthy client requested the solid gold version, but the trade-off in portability is significant. The standard aluminum Kubb Fanless models retail for around $1,822, making the gold edition an outlier in every sense. Copper would offer even better thermal conductivity than gold at a fraction of the cost, yet the gold build was chosen for its material value rather than pure efficiency.

This custom gold mini PC costs approximately $1.7 million USD, a price point that places it firmly in the realm of high-end luxury goods. The existence of this unit serves as a factual demonstration of material choices in hardware design, even if it will never be mass-produced. Buyers looking for performance per dollar should stick to standard aluminum models, while this gold variant stands as a unique statement piece in the mini PC market.