200Gbps sub channels were piled together by BT so that give a single overall speed.
The firm said that this speed will also allow to download 200 HD films in one second.
Earlier, Researchers at University College London attained a record data transfer speed of 1.125Tbps in February this year.
Moreover, this link also comprises of unrepeatered submarine cable between Dublin and Holyhead.
The core data pipe is the superhighway of the internet.
BT Group is presently working on its G.fast technology that can increase copper connections as high as 300Mbps.
The firm is seen providing extremely fast services to many people as possible.
