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The figures below are simplex data rates, which may conflict with the duplex rates vendors sometimes use in promotional materials. Where two values are listed, the first value is the downstream rate and the second value is the upstream rate. The use of decimal prefixes is standard in data communications.
A USB device pulls one of the data lines high with a 1.5 kΩ resistor. This overpowers one of the 15 kΩ pull-down resistors in the host and leaves the data lines in an idle state called J. For USB 1.x, the choice of data line indicates what signal rates the device is capable of: full-bandwidth devices pull D+ high,
USB 3.1 Gen 2 – new, marketed as SuperSpeed+ or SS+, 10 Gbit/s signaling rate over 1 lane using 128b/132b encoding (raw data rate: 1212 MB/s). The nominal data rate in bytes accounts for bit-encoding overhead. The physical SuperSpeed signaling bit rate is 5 Gbit/s. Since transmission of every byte takes 10 bit times, the raw data overhead is ...
USB 2.0 was released in April 2000, adding a higher maximum signaling rate of 480 Mbit/s (maximum theoretical data throughput 53 MByte/s [25]) named High Speed or High Bandwidth, in addition to the USB 1.x Full Speed signaling rate of 12 Mbit/s (maximum theoretical data throughput 1.2 MByte/s).
The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
USB4 Gen3x2 cable (40 Gbps) with 100 W Power Delivery. Universal Serial Bus 4 (USB4), sometimes erroneously referred to as USB 4.0, is the most recent technical specification of the USB (Universal Serial Bus) data communication standard.
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Computer data interfaces USB 3.1 SuperSpeed 10 Gbit/s (interface signaling rate) 1.6×10 10 bit/s Computer data interfaces PCI Express 4.0 ×1 (interface signaling rate) 3.2×10 10 bit/s Computer data interfaces PCI Express 5.0 ×1 (interface signaling rate) 3.9813×10 10 bit/s Networking OC-768, a 39.813 Gbit/s SONET data channel, the fastest ...