Re: I believe it
I have seen peak speeds of 11MB/s or 88mbps on my supposedly 76mbps line.
That will be an artefact of the tester or software. BT's implementation of FTTC is hard limited to a sync of 79999 kbps. It doesn't matter how good your line is the cabinet DSLAM simply will not sync any higher. When I first got FTTC my line was syncing at 79999 (80Mb/s) with an attainable of 92Mb/s. Sadly over the next six months crosstalk began to kick in. It seems to have stabilised now though and it's been at 68Mb/s for nearly two years.