A Reddit user’s bold modification to an iPhone 17 Pro Max has sparked attention after photos surfaced showing multiple M.2 SSD coolers mounted to the device’s back.

According to testing reports, that setup enabled nearly 90% stability in a demanding 3DMark stress test, suggesting impressive gains in sustained performance under heavy load.

As seen above, the iPhone 17 Pro Max is rigged with desktop-style heatsinks, copper heat pipes, and small fans typically designed for SSDs. The mod aims to overcome the thermal limitations of passive cooling in smartphones.

In standard form, the iPhone 17 Pro and Pro Max models already come with a vapor chamber cooling system built by Apple, a feature introduced to help improve thermal performance. Still, this Reddit experiment rivaled or exceeded what

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