HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
SIW - SIW is an advanced System Information for Windows tool.
GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...
SIV - System Information Viewer - SIV by Ray Hinchliffe.