With real-time temperature monitoring and intelligent alerts, OCCT helps you maintain optimal performance while safeguarding against potential overheating issues.

CPU, GPU, Memory, VRAM, Power supplies are tested in the most efficient and accurate way possible. If there's anything wrong, we'll find it and report it. OCCT includes many advanced features, ranging …

Overclockers toolbox OCCT was born from an overclocker for overclockers. Enjoy fully customizable tests, including core-by-core CPU testing, varying workload 3D testing and the best Memory test on …

Ocbase is the home of OCCT, the most popular all-in-one stability / stress testing / benchmarking / monitoring tool available for PC

Ocbase is the home of OCCT, the most popular all-in-one stability / stress testing / benchmarking / monitoring tool available for PC

Ocbase is the home of OCCT, the most popular all-in-one stability / stress testing / benchmarking / monitoring tool available for PC

Oct 16, 2025 · Version 15 marks another major milestone for OCCT, bringing a host of new features, improvements, and visual upgrades.

Jun 17, 2025 · We're thrilled to announce that OCCT is officially available to download on Steam, complete with full Steam Deck compatibility!

Apr 14, 2025 · OCCT for Linux is now officially released! Get the best stress-testing and hardware monitoring tool for Linux distributions like Ubuntu, Debian, Fedora, and Arch Linux.

Feb 17, 2025 · After years of being exclusive to Windows, OCCT, the leading software for PC stability and performance testing, is now available on Linux, compatible with Steam Deck and very soon on …