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This is a list of device bit rates , or physical layer information rates , net bit rates , useful bit rates , peak bit rates or digital bandwidth capacity, at which digital interfaces of computer peripheral equipment and network devices can communicate over various kinds of buses and networks . The distinction can be arbitrary between a bus , (which is inside a box and usually relies on many parallel wires), and a communications network cable , (which is external, between boxes and rarely relies on more than four wires). Many device interfaces or protocols (e.g., SATA, USB, SCSI, PCI and a few variants of Ethernet) are used both inside many-device boxes, such as a PC, and one-device-boxes, such as a hard drive enclosure. Accordingly, this page lists both the internal ribbon and external communications cable standards together in one sortable table. [ edit ] Factors limiting actual performance, criteria for real decisions
List of device bandwidths