Programs Stress Test Components?

[PCPLAYERGAMER]

Hi everyone,
does anyone know any good programs that can stress test CPU, memory, Networking, Video Card, PCI Bus, Disk Access etc, basically all the hardware in your computer? This is basically to see if they are working or not, or if there are any problems !
Thanks in advance for posting

 

[kimsland]

Freeware
http://www.download32.com/heavyload-i31637.html
Purchase
http://www.passmark.com/products/bit.htm

 

[PCPLAYERGAMER]

Cheers for that