A cable assembly comprising: a contact ribbon made of a single stamping including: a plurality of pairs of first and second signal contacts (12,13); a ground plane; a first row of ground contacts extending from the ground plane in a row along a first side of the ground plane such that a first line extending through the first row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13); and a cable including: a plurality of pairs of first and second center conductors (22,23), each pair of the plurality of pairs of first and second center conductors is connected to a corresponding pair of the plurality of pairs of first and second signal contacts (12,13); a plurality of insulators each surrounding a corresponding pair of the plurality of pairs of first and second center conductors (22,23); and a shield that surrounds the plurality of insulators and that is connected to the ground plane, characterized in that the contact ribbon includes a second row of ground contacts extending from the ground plane in a row along a second side of the ground plane such that a second line extending through the second row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13), wherein the second row of ground contacts is located on a same side of the contact ribbon as the plurality of pairs of first and second signal contacts. a contact ribbon made of a single stamping including: a plurality of pairs of first and second signal contacts (12,13); a ground plane; a first row of ground contacts extending from the ground plane in a row along a first side of the ground plane such that a first line extending through the first row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13); and a plurality of pairs of first and second signal contacts (12,13); a ground plane; a first row of ground contacts extending from the ground plane in a row along a first side of the ground plane such that a first line extending through the first row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13); and a cable including: a plurality of pairs of first and second center conductors (22,23), each pair of the plurality of pairs of first and second center conductors is connected to a corresponding pair of the plurality of pairs of first and second signal contacts (12,13); a plurality of insulators each surrounding a corresponding pair of the plurality of pairs of first and second center conductors (22,23); and a shield that surrounds the plurality of insulators and that is connected to the ground plane, characterized in that the contact ribbon includes a second row of ground contacts extending from the ground plane in a row along a second side of the ground plane such that a second line extending through the second row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13), wherein the second row of ground contacts is located on a same side of the contact ribbon as the plurality of pairs of first and second signal contacts. a plurality of pairs of first and second center conductors (22,23), each pair of the plurality of pairs of first and second center conductors is connected to a corresponding pair of the plurality of pairs of first and second signal contacts (12,13); a plurality of insulators each surrounding a corresponding pair of the plurality of pairs of first and second center conductors (22,23); and a shield that surrounds the plurality of insulators and that is connected to the ground plane, characterized in that the contact ribbon includes a second row of ground contacts extending from the ground plane in a row along a second side of the ground plane such that a second line extending through the second row of ground contacts does not intersect with any signal contacts of the plurality of pairs of first and second signal contacts (12,13), wherein the second row of ground contacts is located on a same side of the contact ribbon as the plurality of pairs of first and second signal contacts.