Speakers and Sound Cards - Buyer's Guide - Mid-Range, October 2004
What Can a Sound Card Do for Your PC Build? - Newegg Insider
Creative Sound Blaster Z Sound Card - Office Depot
7.1 Channel PCI Express Sound Card - Our video cards and sound cards enable you to add smooth video performance or high-end audio capability to your PC computer, through a motherboard PCI
What is a sound card? Everything you need to know - SoundGuys
Amazon.com: Creative Sound Blaster Audigy PCIe RX 7.1 Sound Card with High Performance Headphone Amp : Electronics