Spdif is an optical interface, which only transmits audio data, and hdmi is a universal data interface, which can transmit video and audio data.

Asus motherboard is a computer component product of communication company Asus, which is divided into many models and specifications, and is also one of the main products of Asus. ASUS P5B series is a series of products with the most achievements and the highest achievements since it came out. Asus motherboard has the characteristics of silent heat dissipation, fanless and dual channels. Among them, ASUS P5B series has created the most and highest performance. Asus P5B motherboard adopts Intel's latest P965+ICH8R chipset, IntelCore? 2 Supreme/Core? 2 Dual-core/Pentium Extreme/Pentium D/ Pentium 4/ Celeron D processor, and the system bus is 1066/800/533MHz. Such a powerful combination provides a powerful basic platform for overclocking of P5B-E, and some people even tested its overclocking performance before this product came out. With the cooperation of IntelCore2DuoE6300 processor, the external frequency is increased to 500MHz. Such amazing achievements are called "overclocking pioneer" by people in the industry.