Questions about GOLD DisplayPort Kabel

Here are the specifications from the manufacturer's site:

DisplayPort male to male (digital, 20 pin).
DisplayPort 1.2 HD 1080p, 1600p and up to 4K compatible
Supports High Definition Video, Multi-Channel Digital Audio, DPCP and HDCP
Supports colour depth 6, 8, 10, 12 and 16 per component
8 channels, uncompressed 24bit audio
Bandwidth: up to 4.32 Gbps per line. Total