CPU-Z very useful software (it's freeware)

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.

you can download it, click here
 
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CPU-Z is a freeware system profiler (system monitor) application for Microsoft Windows (for all versions from Windows XP on) that detects the central processing unit, RAM, motherboard chipset, and other hardware features of a modern personal computer, and presents the information in one window.

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DOWNLOAD CPU-Z click HERE