OCCT (portable) v4.3.1

Freeware
Vista / Win7 / WinXP

OCCT (stands for "OverClock Checking Tool) is a CPU stability testing program.

Features include:

3 different test types
CPU = no RAM tested, alot of heat generated on the CPU, errors are usually CPU-centered
RAM = Maximum error detection, tests the whole chain CPU-Chipset-Memory
Mix = CPU and RAM alternated
3 tests modes
Auto = 1h long Mix test
Custom (Infinite) = Infinite loop of the test type of your choice
Custom (fixed) = A test of the type of your choice, and of a duration of your choice
Integrated monitoring and System information thanks to CPU-Z and HWmonitor engine
external Monitoring Program support through plugins (Everest, Speedfan, and many more)
Graph output showing temperatures and voltages of your computer

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Keywords:
occt overclocking checking tool