One PC gamer has devised an unconventional method to combat GPU sag, utilizing a vial of gallium described as both a "temperature indicator and ticking time bomb." The user, identified as Philip_777 on the r/pcmasterrace subreddit, shared their unique approach to supporting their graphics card.
Gallium, a metal with a notably low melting point, can become liquid even at room temperature. Its corrosive properties also pose a risk to other metals, particularly aluminum, meaning a leak within a PC's internal components could lead to significant damage. Philip_777 has taken precautions by containing the gallium within a plastic vial, identified as likely being HDPE (High-density polyethylene), aiming to mitigate the risk of a breach. They acknowledged the inherent danger, noting that while they believe it to be safe, "there's still a chance for it to go south somehow."
Alternatives to this precarious setup are readily available for users experiencing GPU sag. Standard GPU support brackets, designed specifically for this purpose, can be purchased in various forms. For those who prefer not to install a graphics card in the traditional horizontal orientation, vertical mounting options also exist.
Philip_777 explained that the gallium vial was chosen out of necessity, stating it was "the only thing I found that had almost the perfect height." They also mentioned that since implementing this solution, they have foregone purchasing commercial anti-sag brackets. While some high-end GPU support brackets can be expensive, simpler adjustable options are available at more accessible price points, and 3D printing custom supports is another viable route for PC builders.