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An electrical connector assembly comprises a header and a plurality of electrical cable terminations. Each of the cable terminations includes an electrically conductive housing, at least one signal contact positioned within an interior of the housing and electrically insulated from the housing, and

An electrical connector assembly comprises a header and a plurality of electrical cable terminations. Each of the cable terminations includes an electrically conductive housing, at least one signal contact positioned within an interior of the housing and electrically insulated from the housing, and at least two ground contacts extending from an exterior of the housing. The cable terminations are configured to mate with the header such that, for each cable termination, the signal contacts engage corresponding ones of the plurality of signal pins, and the ground contacts engage corresponding ones of the plurality of ground pins when the header and cable terminations are in a mated configuration.

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What is claimed is: 1. An electrical connector assembly for transmitting electrical signals, the assembly comprising: a header having a plurality of signal pins and a plurality of ground pins; and a plurality of electrical cable terminations, each of the plurality of cable terminations comprising,

What is claimed is: 1. An electrical connector assembly for transmitting electrical signals, the assembly comprising: a header having a plurality of signal pins and a plurality of ground pins; and a plurality of electrical cable terminations, each of the plurality of cable terminations comprising, an electrically conductive housing, at least one signal contact positioned within an interior of the housing and electrically insulated from the housing, and at least two ground contacts extending from an exterior of the housing; wherein the cable terminations are configured to mate with the header such that, for each cable termination, the at least one signal contact engages a corresponding one of the plurality of signal pins, and the ground contacts engage corresponding ones of the plurality of ground pins when the header and cable terminations are in a mated configuration, and wherein two or more adjacent cable terminations share two or more common grounds. 2. The electrical connector assembly of claim 1, wherein the at least one signal contact and at least two ground contacts are linearly aligned. 3. The electrical connector assembly of claim 1, wherein at least one of the plurality of ground pins engages ground contacts of more than one of the plurality of cable terminations. 4. The electrical connector assembly of claim 3, wherein adjacent rows of the signal and ground pins are arranged to form a GSSGSSG ordering. 5. The electrical connector assembly of claim 1, wherein the pair of signal contacts is accessible through a front edge of the cable termination, and wherein the pair of ground contacts extends from opposite sides of the housing. 6. The electrical connector assembly of claim 1, wherein the cable terminations are configured such that the housings of at least a portion of adjacently positioned cable terminations make electrical contact with each other. 7. The electrical connector assembly of claim 6, further comprising, a third ground contact extending from the housing of at least a portion of the cable terminations, the third ground contact configured to make electrical contact with the housing of an adjacently positioned cable termination. 8. The electrical connector assembly of claim 1, further comprising a carrier, the carrier configured to retain at least a portion of the plurality of cable terminations therein and position the retained cable terminations in mating alignment with the header. 9. The electrical connector assembly of claim 8, wherein the plurality of cable terminations is individually removable from the carrier. 10. An electrical connector assembly for transmitting electrical signals between a printed circuit board and an electrical cable, the assembly comprising: the printed circuit board having a plurality of signal traces and at least one ground trace; a header body mounted on the printed circuit board, the header body supporting a plurality of signal pins and a plurality of ground pins, wherein the plurality of signal pins are electrically connected to the plurality of signal traces and wherein the plurality of ground pins are electrically connected to the at least one ground trace; a carrier body configured to mate with the header body; and a plurality of electrical cable terminations retained within the carrier body, each of the plurality of cable terminations including a pair of signal contacts positioned within an interior of an electrically conductive housing and at least two ground contacts, wherein at least one of the ground contacts extends from an exterior of the housing; wherein the header body and cable terminations are configured such that each of the plurality of cable terminations makes electrical contact with a pair of the signal pins and a pair of the ground pins when the header and carrier bodies are in a mated configuration, the pair of signal pins positioned between the pair of ground pins, and wherein when the housing is a shield box and mated to a header it is grounded on more than two sides. 11. The electrical connector assembly of claim 10, wherein at least one of the plurality of ground pins engages ground contacts of more than one of the plurality of cable terminations. 12. An electrical connector assembly for transmitting electrical signals, the assembly comprising: a header having a plurality of rows of male contacts, each row of the male contacts comprising one or more of a signal pin, a ground pin, and a power pin; and a plurality of electrical cable terminations, each of the plurality of cable terminations comprising, an electrically conductive housing, at least one internal contact positioned within an interior of the housing and electrically insulated from the housing, the internal contact comprising one of a signal contact, a ground contact, and a power contact, and at least two external contacts extending from an exterior of the housing, each of the external contacts comprising one of a ground contact and a power contact wherein the at least one internal contact and at least two external contacts are linearly aligned; wherein the cable terminations are configured to mate with the header such that, for each cable termination, the at least one internal contact and the ground contacts engage corresponding ones of the plurality of male contacts when the header and cable terminations are in a mated configuration, and wherein two or more adjacent cable terminations share two or more common grounds. 13. The electrical connector assembly of claim 12, wherein at least one of the plurality of male contacts engages external contacts of more than one of the plurality of cable terminations. 14. The electrical connector assembly of claim 12, wherein the at least one internal contact comprises two internal contacts, the two internal contacts electrically insulated from each other and the housing. 15. The electrical connector assembly of claim 12, wherein the external contacts each comprise one of a resilient beam extending from the housing and a hertzian bump extending from the housing. 16. The electrical connector assembly of claim 12, wherein the housings of at least a portion of adjacently positioned cable terminations make electrical contact with each other. 17. The electrical connector assembly of claim 16, further comprising a third external contact extending from the housing of at least a portion of the cable terminations, the third external contact configured to make electrical contact with the housing of an adjacently positioned cable termination. 18. The electrical connector assembly of claim 17, wherein the third external contact extends from the housing in a direction transverse to the linear alignment of the at least one internal contact and at least two external contacts. 19. The electrical connector assembly of claim 12, further comprising a carrier, the carrier configured to retain at least a portion of the plurality of cable terminations therein and position the retained cable terminations in mating alignment with the header. 20. The electrical connector assembly of claim 12, further comprising: a printed circuit board having a plurality of signal lines and at least one ground line; wherein the header is mounted on the printed circuit board to electrically connect each male contact to at least one of the signal lines and the at least one ground line of the printed circuit board.