http://en.wikipedia.org/wiki/Computer_hardware

http://www.newegg.com/

http://computer.howstuffworks.com/computer-hardware-channel.htm

http://www.business.com/directory/computers_and_software/hardware_and_accessories/

http://www.experts-exchange.com/Hardware/

http://www.geeks.com/

http://www.overstock.com/Electronics/Computer-Hardware/585/cat.html

http://dir.yahoo.com/Computers_and_Internet/Hardware/

http://www.dexknows.com/business_profiles/computer_hardware-b833169

http://www.ehow.com/information_1013-computer-hardware.html