Asus Striker Extreme - Manual (Page 20)

1-4 Chapter 1: Product Introduction
S/PDIF digital sound ready
This motherboard provides convenient connectivity to external home theater
audio systems via coaxial and optical S/PDIF-out (SONY/PHILIPS Digital
Interface) jacks.It allows to transfer digital audio without converting to analog
format and keeps the best signal quality. See pages 2-27, 2-29 and 2-38 for
details.
Dual Gigabit LAN solution
The motherboard comes with dual Gigabit LAN controllers to provide the total
solution for your networking needs. These network controllers use the PCI
Express segment to provide faster data bandwidth for your wired or wireless
Internet, LAN, and file sharing requirements. See page 2-27 for details.