CPU-Z 1.55 - Gather main devices information of your system

What is CPU-Z

CPU-Z is a freeware that gathers information on some of the main devices of your system.
CPU
    Name and number.
    Core stepping and process.
    Package.
    Core voltage.
    Internal and external clocks, clock multiplier.
    Supported instruction sets.
    Cache information.

Mainboard
    Vendor, model and revision.
    BIOS model and date.
    Chipset (northbridge and southbridge) and sensor.
    Graphic interface.

Memory
    Frequency and timings.
    Module(s) specification using SPD (Serial Presence Detect) : vendor, serial number, timings table.

System
    Windows and DirectX version.