{"id":2831027,"date":"2026-03-01T07:35:23","date_gmt":"2026-03-01T06:35:23","guid":{"rendered":"https:\/\/jng-web.com\/labo\/?p=2831027"},"modified":"2025-12-31T08:36:45","modified_gmt":"2025-12-31T07:36:45","slug":"a-quoi-correspondent-les-couleurs-des-ports-usb","status":"publish","type":"post","link":"https:\/\/jng-web.com\/labo\/a-quoi-correspondent-les-couleurs-des-ports-usb\/","title":{"rendered":"\u00c0 quoi correspondent les couleurs des ports USB ?"},"content":{"rendered":"<div class=\"advads-avant-le-contenu\" id=\"advads-219338927\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4944504088214075\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-4944504088214075\" \ndata-ad-slot=\"4514395581\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><div class=\"advads-test\" style=\"margin-left: auto;margin-right: auto;text-align: center;\" id=\"advads-2525050134\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4944504088214075\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-4944504088214075\" \ndata-ad-slot=\"4514395581\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p data-start=\"140\" data-end=\"502\">Sur un ordinateur, une t\u00e9l\u00e9vision, une console ou une box internet, les ports USB sont omnipr\u00e9sents. Mais avez-vous d\u00e9j\u00e0 remarqu\u00e9 qu\u2019ils ne sont pas tous de la m\u00eame couleur ? Noir, bleu, rouge, jaune\u2026 ces teintes ne sont pas choisies au hasard. Elles donnent souvent des <strong data-start=\"411\" data-end=\"481\">indications pr\u00e9cieuses sur les performances et les fonctionnalit\u00e9s<\/strong> du port. D\u00e9cryptage.<\/p>\n<h2 data-start=\"504\" data-end=\"564\">Pourquoi les ports USB ont-ils des couleurs diff\u00e9rentes ?<\/h2>\n<p data-start=\"566\" data-end=\"676\">La couleur \u00e0 l\u2019int\u00e9rieur d\u2019un port USB sert avant tout de <strong data-start=\"624\" data-end=\"648\">rep\u00e8re visuel rapide<\/strong>. Elle permet d\u2019identifier :<\/p>\n<ul data-start=\"677\" data-end=\"816\">\n<li data-start=\"677\" data-end=\"710\">\n<p data-start=\"679\" data-end=\"710\">la <strong data-start=\"682\" data-end=\"709\">version de la norme USB<\/strong>,<\/p>\n<\/li>\n<li data-start=\"711\" data-end=\"750\">\n<p data-start=\"713\" data-end=\"750\">la <strong data-start=\"716\" data-end=\"749\">vitesse de transfert maximale<\/strong>,<\/p>\n<\/li>\n<li data-start=\"751\" data-end=\"816\">\n<p data-start=\"753\" data-end=\"816\">parfois des <strong data-start=\"765\" data-end=\"790\">fonctions sp\u00e9cifiques<\/strong> comme la recharge rapide.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"818\" data-end=\"973\">Attention toutefois : la couleur n\u2019est <strong data-start=\"857\" data-end=\"897\">pas une norme officielle universelle<\/strong>. Les fabricants l\u2019utilisent comme indication, mais des variations existent.<\/p>\n<h2 data-start=\"975\" data-end=\"1012\">Le port USB noir : le plus courant<\/h2>\n<p data-start=\"1014\" data-end=\"1073\">Le port USB <strong data-start=\"1026\" data-end=\"1034\">noir<\/strong> est le plus ancien et le plus r\u00e9pandu.<\/p>\n<ul data-start=\"1075\" data-end=\"1245\">\n<li data-start=\"1075\" data-end=\"1120\">\n<p data-start=\"1077\" data-end=\"1120\"><strong data-start=\"1077\" data-end=\"1097\">Normes associ\u00e9es<\/strong> : USB 1.1 ou USB 2.0<\/p>\n<\/li>\n<li data-start=\"1121\" data-end=\"1176\">\n<p data-start=\"1123\" data-end=\"1176\"><strong data-start=\"1123\" data-end=\"1143\">Vitesse maximale<\/strong> : jusqu\u2019\u00e0 480 Mbit\/s (USB 2.0)<\/p>\n<\/li>\n<li data-start=\"1177\" data-end=\"1245\">\n<p data-start=\"1179\" data-end=\"1245\"><strong data-start=\"1179\" data-end=\"1196\">Usage typique<\/strong> : clavier, souris, imprimante, cl\u00e9 USB basique<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1247\" data-end=\"1310\">Il est suffisant pour les p\u00e9riph\u00e9riques peu gourmands en d\u00e9bit.<\/p>\n<h2 data-start=\"1312\" data-end=\"1355\">Le port USB bleu : la vitesse avant tout<\/h2>\n<p data-start=\"1357\" data-end=\"1436\">Le port USB <strong data-start=\"1369\" data-end=\"1377\">bleu<\/strong> indique g\u00e9n\u00e9ralement un port <strong data-start=\"1407\" data-end=\"1435\">USB 3.0 ou USB 3.1 Gen 1<\/strong>.<\/p>\n<ul data-start=\"1438\" data-end=\"1612\">\n<li data-start=\"1438\" data-end=\"1481\">\n<p data-start=\"1440\" data-end=\"1481\"><strong data-start=\"1440\" data-end=\"1460\">Vitesse maximale<\/strong> : jusqu\u2019\u00e0 5 Gbit\/s<\/p>\n<\/li>\n<li data-start=\"1482\" data-end=\"1543\">\n<p data-start=\"1484\" data-end=\"1543\"><strong data-start=\"1484\" data-end=\"1506\">Avantage principal<\/strong> : transferts beaucoup plus rapides<\/p>\n<\/li>\n<li data-start=\"1544\" data-end=\"1612\">\n<p data-start=\"1546\" data-end=\"1612\"><strong data-start=\"1546\" data-end=\"1563\">Usage typique<\/strong> : disques durs externes, cl\u00e9s USB rapides, SSD<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1614\" data-end=\"1685\">C\u2019est le choix id\u00e9al pour les p\u00e9riph\u00e9riques n\u00e9cessitant un d\u00e9bit \u00e9lev\u00e9.<\/p>\n<h2 data-start=\"1687\" data-end=\"1727\">Le port USB turquoise (ou bleu clair)<\/h2>\n<p data-start=\"1729\" data-end=\"1807\">Moins courant, le port USB <strong data-start=\"1756\" data-end=\"1769\">turquoise<\/strong> correspond souvent \u00e0 l\u2019USB 3.1 Gen 2.<\/p>\n<ul data-start=\"1809\" data-end=\"1916\">\n<li data-start=\"1809\" data-end=\"1853\">\n<p data-start=\"1811\" data-end=\"1853\"><strong data-start=\"1811\" data-end=\"1831\">Vitesse maximale<\/strong> : jusqu\u2019\u00e0 10 Gbit\/s<\/p>\n<\/li>\n<li data-start=\"1854\" data-end=\"1916\">\n<p data-start=\"1856\" data-end=\"1916\"><strong data-start=\"1856\" data-end=\"1865\">Usage<\/strong> : stockage haute performance, stations d\u2019accueil<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1918\" data-end=\"1963\">Il reste rare sur les appareils grand public.<\/p>\n<h2 data-start=\"1965\" data-end=\"2027\">Le port USB rouge ou orange : charge rapide et alimentation<\/h2>\n<p data-start=\"2029\" data-end=\"2155\">Les ports USB <strong data-start=\"2043\" data-end=\"2053\">rouges<\/strong>, <strong data-start=\"2055\" data-end=\"2066\">oranges<\/strong> ou parfois <strong data-start=\"2078\" data-end=\"2088\">jaunes<\/strong> sont souvent con\u00e7us pour fournir <strong data-start=\"2122\" data-end=\"2154\">plus de puissance \u00e9lectrique<\/strong>.<\/p>\n<ul data-start=\"2157\" data-end=\"2347\">\n<li data-start=\"2157\" data-end=\"2199\">\n<p data-start=\"2159\" data-end=\"2199\"><strong data-start=\"2159\" data-end=\"2181\">Fonction fr\u00e9quente<\/strong> : charge rapide<\/p>\n<\/li>\n<li data-start=\"2200\" data-end=\"2275\">\n<p data-start=\"2202\" data-end=\"2275\"><strong data-start=\"2202\" data-end=\"2219\">Particularit\u00e9<\/strong> : peut fonctionner m\u00eame lorsque l\u2019appareil est \u00e9teint<\/p>\n<\/li>\n<li data-start=\"2276\" data-end=\"2347\">\n<p data-start=\"2278\" data-end=\"2347\"><strong data-start=\"2278\" data-end=\"2295\">Usage typique<\/strong> : recharge de smartphones, tablettes, accessoires<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2349\" data-end=\"2410\">Sur certains PC, ce port est d\u00e9di\u00e9 \u00e0 la recharge prioritaire.<\/p>\n<h2 data-start=\"2412\" data-end=\"2458\">Le port USB blanc : une ancienne g\u00e9n\u00e9ration<\/h2>\n<p data-start=\"2460\" data-end=\"2508\">Le port USB <strong data-start=\"2472\" data-end=\"2481\">blanc<\/strong> est aujourd\u2019hui tr\u00e8s rare.<\/p>\n<ul data-start=\"2510\" data-end=\"2631\">\n<li data-start=\"2510\" data-end=\"2549\">\n<p data-start=\"2512\" data-end=\"2549\"><strong data-start=\"2512\" data-end=\"2530\">Norme associ\u00e9e<\/strong> : USB 1.0 ou 1.1<\/p>\n<\/li>\n<li data-start=\"2550\" data-end=\"2586\">\n<p data-start=\"2552\" data-end=\"2586\"><strong data-start=\"2552\" data-end=\"2572\">Vitesse maximale<\/strong> : 12 Mbit\/s<\/p>\n<\/li>\n<li data-start=\"2587\" data-end=\"2631\">\n<p data-start=\"2589\" data-end=\"2631\"><strong data-start=\"2589\" data-end=\"2598\">Usage<\/strong> : ancien mat\u00e9riel informatique<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2633\" data-end=\"2690\">On le rencontre surtout sur des \u00e9quipements tr\u00e8s anciens.<\/p>\n<h2 data-start=\"2692\" data-end=\"2720\">Et l\u2019USB-C dans tout \u00e7a ?<\/h2>\n<p data-start=\"2722\" data-end=\"2870\">L\u2019USB-C se distingue davantage par sa <strong data-start=\"2760\" data-end=\"2780\">forme r\u00e9versible<\/strong> que par sa couleur. Cependant, un port USB-C peut cacher des capacit\u00e9s tr\u00e8s diff\u00e9rentes :<\/p>\n<ul data-start=\"2872\" data-end=\"2977\">\n<li data-start=\"2872\" data-end=\"2894\">\n<p data-start=\"2874\" data-end=\"2894\">USB 2.0, 3.2, USB4<\/p>\n<\/li>\n<li data-start=\"2895\" data-end=\"2929\">\n<p data-start=\"2897\" data-end=\"2929\">Charge rapide (Power Delivery)<\/p>\n<\/li>\n<li data-start=\"2930\" data-end=\"2977\">\n<p data-start=\"2932\" data-end=\"2977\">Transmission vid\u00e9o (DisplayPort, Thunderbolt)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2979\" data-end=\"3103\">&#x1f449; La couleur seule ne suffit donc pas pour l\u2019USB-C : il faut consulter les pictogrammes ou les caract\u00e9ristiques techniques.<\/p>\n<h2 data-start=\"3105\" data-end=\"3154\">Comment \u00eatre s\u00fbr des capacit\u00e9s d\u2019un port USB ?<\/h2>\n<p data-start=\"3156\" data-end=\"3185\">Pour \u00e9viter toute confusion :<\/p>\n<ul data-start=\"3186\" data-end=\"3368\">\n<li data-start=\"3186\" data-end=\"3251\">\n<p data-start=\"3188\" data-end=\"3251\">Regardez les <strong data-start=\"3201\" data-end=\"3210\">logos<\/strong> \u00e0 c\u00f4t\u00e9 du port (SS, \u00e9clair, batterie).<\/p>\n<\/li>\n<li data-start=\"3252\" data-end=\"3293\">\n<p data-start=\"3254\" data-end=\"3293\">Consultez la <strong data-start=\"3267\" data-end=\"3290\">notice du fabricant<\/strong>.<\/p>\n<\/li>\n<li data-start=\"3294\" data-end=\"3368\">\n<p data-start=\"3296\" data-end=\"3368\">N\u2019oubliez pas que le <strong data-start=\"3317\" data-end=\"3334\">c\u00e2ble utilis\u00e9<\/strong> influence aussi les performances.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3370\" data-end=\"3383\">Conclusion<\/h2>\n<p data-start=\"3385\" data-end=\"3724\">La couleur des ports USB est un <strong data-start=\"3417\" data-end=\"3440\">indice visuel utile<\/strong>, mais pas une r\u00e8gle absolue. Elle permet d\u2019identifier rapidement la g\u00e9n\u00e9ration et parfois les fonctions du port, sans remplacer une v\u00e9rification technique plus pr\u00e9cise. Mieux comprendre ces couleurs, c\u2019est \u00e9viter les mauvais branchements\u2026 et tirer le meilleur parti de vos appareils.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sur un ordinateur, une t\u00e9l\u00e9vision, une console ou une box internet, les ports USB sont omnipr\u00e9sents. Mais avez-vous d\u00e9j\u00e0 remarqu\u00e9 qu\u2019ils ne sont pas tous &hellip; <\/p>\n","protected":false},"author":2,"featured_media":2831047,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-2831027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c0 quoi correspondent les couleurs des ports USB ? - Labo JNG WEB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jng-web.com\/labo\/a-quoi-correspondent-les-couleurs-des-ports-usb\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c0 quoi correspondent les couleurs des ports USB ? - Labo JNG WEB\" \/>\n<meta property=\"og:description\" content=\"Sur un ordinateur, une t\u00e9l\u00e9vision, une console ou une box internet, les ports USB sont omnipr\u00e9sents. 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