Passmark Burnintest Portable ✔
If you need to stress-test a PC without touching its OS or storage configuration, PassMark BurnInTest Portable is a reliable, professional-grade tool—provided you’re willing to pay for the license.
Here’s a concise piece covering : PassMark BurnInTest Portable: Stress Testing on the Go
PassMark BurnInTest Portable is a specialized version of the popular system stress-testing tool designed to run directly from a USB drive, external SSD, or network location—without requiring installation on the host machine.