<page_title> DOCSIS </page_title> <section_title> Throughput </section_title> <table> <cell> 1.x <col_header> Version </col_header> <col_header> Channel configuration </col_header> <col_header> Minimum selectable number of channels </col_header> </cell> <cell> 42.88 (38) <col_header> Downstream </col_header> <col_header> EuroDOCSIS throughput in Mbps </col_header> <col_header> Minimum number of channels that hardware must support </col_header> </cell> <cell> 55.62 (50) <col_header> Downstream </col_header> <col_header> Throughput in Mbps </col_header> <col_header> Selected number of channels </col_header> </cell> <cell> 2.0 <col_header> Version </col_header> <col_header> Channel configuration </col_header> <col_header> Minimum selectable number of channels </col_header> </cell> <cell> 42.88 (38) <col_header> Downstream </col_header> <col_header> EuroDOCSIS throughput in Mbps </col_header> <col_header> Minimum number of channels that hardware must support </col_header> </cell> <cell> 55.62 (50) <col_header> Downstream </col_header> <col_header> Throughput in Mbps </col_header> <col_header> Selected number of channels </col_header> </cell> <cell> 3.0 <col_header> Version </col_header> <col_header> Channel configuration </col_header> <col_header> Minimum selectable number of channels </col_header> </cell> <cell> m × 42.88 (m × 38) <col_header> Downstream </col_header> <col_header> EuroDOCSIS throughput in Mbps </col_header> <col_header> Minimum number of channels that hardware must support </col_header> </cell> <cell> m × 55.62 (m × 50) <col_header> Downstream </col_header> <col_header> Throughput in Mbps </col_header> <col_header> Selected number of channels </col_header> </cell> </table>
The first three versions of the DOCSIS standard supported a downstream throughput with 256-QAM of up to 42.88 Mbit/s (38 Mbit/s after overhead), or 55.62 Mbit/s for EuroDOCSIS (50 Mbit/s after overhead).