PC Wizard (Version: 2010 1.961 as of this post) is a freeware from the same developers as CPU-Z, the popular CPU information utility. PC Wizard provides a lot of information about its host PC.
Upon startup, which takes a few seconds, the Hardware section is first.
Hardware has 12 sections for System Summary, Mainboard, Processor, Video, I/O ports, Drivers, Printers, Devices, Multimedia, Network, Power Status and finally Voltage, Temperatures and Fans. The information available are specs for system manufacturer, Direct X, PCI slot, Open GL, disk drives, Twain devices, UPnP, audio and video codecs, network card and connection, battery status,