Great tool for detection of hardware, analysis and benchmark.

PC Wizard is a freeware portable tool that analyzes and benchmarks your PC. It can analyze and benchmark many kinds of hardware, such as CPU performance, Cache performance, RAM performance, Hard Disk performance, CD/DVD-ROM performance, Removable/FLASH Media performance, Video performance, MP3 compression performance.  It can also benchmark your PC and compare it to the results of other systems.

Homepage: http://www.cpuid.com/pcwizard.php