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USB
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==== Release versions ==== {| class="wikitable sortable" |- ! scope="row" | Name ! scope="row" | Release date ! scope="row" | Maximum signaling rate ! scope="row" | Note |- ! scope="row" | {{Nowrap|USB 0.7}} | {{Dts|November 1994}} | {{dunno}} | rowspan="4" | Pre-release |- ! scope="row" | {{Nowrap|USB 0.8}} | {{Dts|December 1994}} | {{dunno}} |- ! scope="row" | {{Nowrap|USB 0.9}} | {{Dts|April 1995}} | {{Nowrap|12 Mbit/s: Full Speed (FS)}} |- ! scope="row" | {{Nowrap|USB 0.99}} | {{Dts|August 1995}} | {{dunno}} |- ! scope="row" | {{Nowrap|USB 1.0-RC}} | {{Dts|November 1995}} | {{dunno}} | Release Candidate |- ! scope="row" | {{Nowrap|USB 1.0}} | {{Dts|January 1996}} | rowspan=2|{{Nowrap|1.5 Mbit/s: Low Speed (LS)}}<br />{{Nowrap|12 Mbit/s: Full Speed (FS)}} | rowspan="2" | Renamed to ''Basic-Speed'' |- ! scope="row" | {{Nowrap|USB 1.1}} | {{Dts|September 1998}} |- ! scope="row" | {{Nowrap|USB 2.0}} | {{Dts|April 2000}} | {{Nowrap|480 Mbit/s: High Speed (HS)}} | |- ! scope="row" | {{Nowrap|USB 3.0}} | {{Dts|November 2008}} | {{Nowrap|5 Gbit/s: SuperSpeed (SS)}} | Renamed to ''USB 3.1 Gen 1'',<ref name="USB 3.1 language usage 2015-05"/> and later to ''USB 3.2 Gen 1Γ1'' |- ! scope="row" | {{Nowrap|USB 3.1}} | {{Dts|July 2013}} | {{Nowrap|10 Gbit/s: SuperSpeed+ (SS+)}} | Renamed to ''USB 3.1 Gen 2'',<ref name="USB 3.1 language usage 2015-05"/> and later to ''USB 3.2 Gen 2Γ1'' |- ! scope="row" | {{Nowrap|USB 3.2}} | {{Dts|August 2017}} | {{Nowrap|20 Gbit/s: SuperSpeed+ two-lane}} | Adds a second full-duplex lane for data exchange, noted as ''Γ2'': ''USB 3.2 Gen 1Γ2'' and ''Gen 2Γ2''. This requires full-featured [[USB-C]] cables and USB 3.2 fabric.<ref>{{cite web |title=USB 3.2 explained: Making sense of current and confusing USB standards |url=https://www.cnet.com/tech/mobile/usb-3-2-explained-making-sense-of-current-and-confusing-usb-standard/ |author=Matt Elliot |date=11 March 2019|website=CNET |access-date=26 July 2022 |url-status=live |archive-url=https://web.archive.org/web/20210707230329/https://www.cnet.com/tech/mobile/usb-3-2-explained-making-sense-of-current-and-confusing-usb-standard/|archive-date=7 July 2021 }}</ref> |- ! scope="row" | {{Nowrap|USB4}} | {{Dts|August 2019}} | {{Nowrap|40 Gbit/s: two-lane}} | Includes new ''USB4 Gen 2Γ2'' (64b/66b encoding) and ''Gen 3Γ2'' (128b/132b encoding) modes and introduces USB4 routing for tunneling of USB 3.2, DisplayPort 1.4a and PCI Express traffic and host-to-host transfers, based on the Thunderbolt 3 protocol. Requires USB4 Fabric. |- ! scope="row" | {{Nowrap|USB4 2.0}} | {{Dts|September 2022}} | {{Nowrap|120 β 40 Gbit/s: asymmetric}} | Includes new ''USB4 Gen 4Γ2'' (PAM-3 encoding) mode to get 80 and 120 Gbit/s over Type-C connector.<ref>{{cite web | url=https://www.usb.org/document-library/usb4r-specification-v20 | title=USB4 Specification v2.0 | USB-IF }}</ref> Requires USB4 Fabric. |}
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