CPU-Z is a small stand-alone utility designed to give you advanced information about the main devices on your system such as the CPU, Mainboard, Memory and System.
Some of the advanced information it can provide are as follows:
CPU
- Name and number.
- Core stepping and process.
- Package.
- Core voltage.
- Internal and external clocks, clock multiplier.
- Supported instructions 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.
Thanks to “Techpro” from our Forums for recommending this one.
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Download at Official Site – (414kb)

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Download link is no longer valid.
Current Link is:
http://www.cpuid.com/download/cpu-z-141.zip
Thanks for a great site.
GNUman
I found a current link @ cnet not sure if that is against the rules or not so I am not providing the whole link.
http://download.cnet.***/CPU-Z/3000-2086_4-10050423.html
just add com in place of the ***