{"id":63782,"date":"2022-09-02T11:57:54","date_gmt":"2022-09-02T11:57:54","guid":{"rendered":"https:\/\/harchi90.com\/what-is-usb4-differences-from-thunderbolt-4-older-usb-versions-explained\/"},"modified":"2022-09-02T11:57:54","modified_gmt":"2022-09-02T11:57:54","slug":"what-is-usb4-differences-from-thunderbolt-4-older-usb-versions-explained","status":"publish","type":"post","link":"https:\/\/harchi90.com\/what-is-usb4-differences-from-thunderbolt-4-older-usb-versions-explained\/","title":{"rendered":"What is USB4?  Differences from Thunderbolt 4, older USB versions explained"},"content":{"rendered":"<div itemprop=\"articleBody\">\n<figure class=\"intro-image intro-left\">\n  <figcaption class=\"caption\">\n<p>Getty Images |  Aurich Lawson<\/p>\n<\/figcaption><\/figure>\n<aside id=\"social-left\" class=\"social-left\" aria-label=\"Read the comments or share this article\">\n<\/aside>\n<p><!-- cache hit 166:single\/related:d4d2cacbb9feb96ac3b10a3b22a3e26b --><!-- empty --><\/p>\n<p>USB has come a long way since the 12Mbps days of the &#8217;90s.  It has waved goodbye to USB-B and is inching away from USB-A in favor of the slim, reversible USB-C connector.  Data transfer rates have increased so dramatically that we can run powerful setups with high-resolution monitors, speedy external storage, and numerous other devices from the USB Implementers Forum&#8217;s latest open standard, USB4.<\/p>\n<p>USB4 unifies the USB and Intel Thunderbolt protocols for the first time, expanding USB&#8217;s capabilities while further dividing the technology into different performance classes.  Adding features like dynamic bandwidth allocation ensures that USB4 is by far the most advanced USB generation.  While there are PCs, docks, and cables supporting USB4, we&#8217;ve yet to see <i>everything<\/i> the protocol can do, like powering an eGPU without Intel branding.<\/p>\n<p>With all that going on, we thought it would be a great time to put a spotlight on the latest and greatest generation of USB.  We&#8217;ve whipped up a handy refresher for all things USB4, breaking down the various key aspects of the spec, from how it differs from other specs to protocol tunneling, Alt Mode, and power delivery.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Getty Images | Aurich Lawson USB has come a long way since the 12Mbps days of the &#8217;90s. It has waved goodbye to USB-B and is inching away from USB-A in favor of the slim, reversible USB-C connector. Data transfer rates have increased so dramatically that we can run powerful setups with high-resolution monitors, speedy &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/harchi90.com\/what-is-usb4-differences-from-thunderbolt-4-older-usb-versions-explained\/\"> <span class=\"screen-reader-text\">What is USB4?  Differences from Thunderbolt 4, older USB versions explained<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[4],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":63131,"url":"https:\/\/harchi90.com\/usb-c-naming-to-somehow-get-worse-with-usb4-version-2-0\/","url_meta":{"origin":63782,"position":0},"title":"USB-C naming to somehow get worse with USB4 Version 2.0","date":"September 1, 2022","format":false,"excerpt":"USB-C is a heck of a connector. It is so beloved that it's becoming mandatory among EU electronics, with other geographies considering similar approaches, and even the resistant iPhone is reportedly considering using it. Operating at up to 40Gbps, it has greater bandwidth than USB-A or other forms of USB,\u2026","rel":"","context":"In &quot;Technology&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":63608,"url":"https:\/\/harchi90.com\/this-massive-usb4-speed-jump-could-be-great-news-for-iphone-15\/","url_meta":{"origin":63782,"position":1},"title":"This massive USB4 speed jump could be great news for iPhone 15","date":"September 2, 2022","format":false,"excerpt":"The USB Promoter group announced USB4 Version 2.0 spec, a major update that will enable up to 80 GBps of data performance over USB-C. This news comes at a time Apple has been rumored to switch to this technology with the upcoming iPhone 15 series. Although it feels Apple will\u2026","rel":"","context":"In &quot;Technology&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":63240,"url":"https:\/\/harchi90.com\/usb4-version-2-0-to-offer-80gb-s-transfer-speeds\/","url_meta":{"origin":63782,"position":2},"title":"USB4 Version 2.0 to Offer 80Gb\/s Transfer Speeds","date":"September 1, 2022","format":false,"excerpt":"USB4 Version 2.0 is in the works and when launched, it will allow for double the speeds of the current USB4 specification with existing USB-C cables. It will support up to 80Gb\/s operation with both 40Gb\/s USB-C passive cables and newly defined 80Gb\/s active cables. The updated specification was announced\u2026","rel":"","context":"In &quot;Technology&quot;","img":{"alt_text":"appleusbccable","src":"https:\/\/i0.wp.com\/images.macrumors.com\/t\/oZkx67D_LcUdDWOR3hlxahhesNk=\/400x0\/article-new\/2017\/07\/appleusbccable.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"fifu_image_url":"https:\/\/cdn.arstechnica.net\/wp-content\/uploads\/2022\/08\/usb4-explainer-760x380.jpg","_links":{"self":[{"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/posts\/63782"}],"collection":[{"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/comments?post=63782"}],"version-history":[{"count":0,"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/posts\/63782\/revisions"}],"wp:attachment":[{"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/media?parent=63782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/categories?post=63782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/harchi90.com\/wp-json\/wp\/v2\/tags?post=63782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}