A cable with RCA connections can be used for SPDIF, audio, composite video and component video without any problems.

Are component and RCA the same?

RCA and component are one and the same, as long as the video signals are split into three cables.

What is the blue RCA cable for?

Digital audio cables are orange. In a surround sound system, there are six additional cables to the usual red and white. If there is a center speaker, the cable will be green. Left surround and right surround speakers are blue and gray, respectively.

Can RCA support 1080p?

Component Cables Component RCA cables are capable of much higher resolutions than composite video cables: 480p, 576p, 720p, 1080p, and even higher.