OCCT
Ultimate stability testing for overclocked PC performance
...It is widely used by PC enthusiasts and professionals to push hardware to its limits and ensure reliable performance under heavy loads. OCCT offers a range of stress tests for CPUs, GPUs, RAM, and power supplies, providing real-time metrics and alerts on temperatures, voltages, and system load. By simulating intensive workloads, OCCT helps identify potential hardware issues, instability, or overheating that can arise from overclocking. With a user-friendly interface and detailed reporting, OCCT is an essential tool for fine-tuning system performance, troubleshooting, and preventing hardware damage.