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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 ...
External PCI Express 2.0 ×1: 4 Gbit/s: 500 MB/s: Fibre Channel 4 Gb SCSI: 4.25 Gbit/s: 531.25 MB/s: USB 3.0 SuperSpeed (aka USB 3.1 Gen 1, USB 3.2 Gen 1x1) 5 Gbit/s: 500 MB/s: 2010 eSATA (SATA 600) 6 Gbit/s: 600 MB/s: 2011 CoaXPress full (up and down bidirectional link) 6.25 Gbit/s + 20.833 Mbit/s: 781 MB/s: 2009 External PCI Express 2.0 ×2: ...
In computer networking, Gigabit Ethernet (GbE or 1 GigE) is the term applied to transmitting Ethernet frames at a rate of a gigabit per second. The most popular variant, 1000BASE-T , is defined by the IEEE 802.3ab standard.
One hour of SDTV video at 2.2 Mbit/s is approximately 1 GB. Seven minutes of HDTV video at 19.39 Mbit/s is approximately 1 GB. 114 minutes of uncompressed CD-quality audio at 1.4 Mbit/s is approximately 1 GB. A single-layer DVD+R disc can hold about 4.7 GB. A dual-layered DVD+R disc can hold about 8.5 GB. A single-layer Blu-ray can hold about ...
An alternative system of nomenclature for the same units (referred to here as the customary convention), in which 1 kilobyte (KB) is equal to 1,024 bytes, [38] [39] [40] 1 megabyte (MB) is equal to 1024 2 bytes and 1 gigabyte (GB) is equal to 1024 3 bytes is mentioned by a 1990s JEDEC standard. Only the first three multiples (up to GB) are ...
1 Gb (1000 Mb) Ethernet 1000BASE-SX 1 Gb (1000 Mb) Ethernet 1000BASE-LX 10 Gb Ethernet 10GBASE-SR 10 Gb Ethernet 10GBASE-LRM (requires EDC) 25 Gb Ethernet 25GBASE-SR 40 Gb Ethernet. 40GBASE-SWDM4 40 Gb Ethernet 40GBASE-SR4 100 Gb Ethernet 100GBASE-SR10 FDDI (62.5/125) 160 / – / 500 MHz·km 2000 m [11] 220 m [12]
In this convention, one thousand and twenty-four megabytes (1024 MB) is equal to one gigabyte (1 GB), where 1 GB is 1024 3 bytes (i.e., 1 GiB). Mixed 1 MB = 1 024 000 bytes (= 1000×1024 B) is the definition used to describe the formatted capacity of the 1.44 MB 3.5-inch HD floppy disk , which actually has a capacity of 1 474 560 bytes .
File sizes are typically measured in bytes — kilobytes, megabytes, and gigabytes being usual, where a byte is eight bits. In modern textbooks one kilobyte is defined as 1,000 byte, one megabyte as 1,000,000 byte, etc., in accordance with the 1998 International Electrotechnical Commission (IEC) standard.
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