[j16sdiz]

It won't tell you the _quality_

It just tell you want the e-marker said.

[rupx]

Yep, the e-marker can effectively report whatever.

You'd need proper hardware capable of testing bandwidth, power, noise, etc, which is prohibitively expensive.

[zimpenfish]

> It just tell you want the e-marker said.

Which isn't helpful if the cable has no e-marker.