OCCT 4.2

OCCT Perestroïka is a stability checking tool, free for personal use.

OCCT Perestroïka is a stability checking tool, free for personal use. It comes with 4 built-in test aimed at testing CPUs, GPUs and Power supplies.

OCCT also monitors in temperatures, voltages and fan speed, as well as system constants such as CPU Usage, Memory Usage and FPS (if testing in 3d). It provides the most accurate error-detection algorithm for CPU and GPUs.