{"id":749586,"date":"2022-11-02T18:10:00","date_gmt":"2022-11-02T17:10:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=749586"},"modified":"2023-09-16T20:36:23","modified_gmt":"2023-09-16T18:36:23","slug":"surchauffe-de-ladapteur-12vhpwr-le-point-sur-les-investigations","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/surchauffe-de-ladapteur-12vhpwr-le-point-sur-les-investigations\/","title":{"rendered":"Surchauffe de l&#8217;adaptateur 12VHPWR\u00a0: le point sur les investigations"},"content":{"rendered":"\n<p>L&#8217;arriv\u00e9e sur le march\u00e9 de la <a href=\"https:\/\/www.tomshardware.fr\/test-nvidia-geforce-rtx-4090-carte-graphique-createurs-jeux-performances-consommation\/\">GeForce RTX 4090<\/a> a \u00e9t\u00e9 entach\u00e9e <a href=\"https:\/\/www.tomshardware.fr\/demontee-le-connecteur-12vhpwr-devoile-ses-faiblesses-nvidia-se-penche-sur-le-probleme\/\">par des probl\u00e8mes de surchauffe avec l\u2019adapteur 12VHPWR<\/a>, avec une quinzaine de cas document\u00e9s ces derniers jours. NVIDIA, comme divers experts, \u00e9tudient actuellement le ph\u00e9nom\u00e8ne. Pour le moment, personne ne semble \u00eatre parvenu \u00e0 le reproduire afin d&#8217;en d\u00e9finir, de mani\u00e8re certaine, les causes.<\/p>\n\n\n<div class=\"responsive-container embed-youtube-com\"><iframe title=\"Crimpen statt L\u00f6ten: wie man die GeForce RTX 4090 schadensfrei mit Strom versorgt und richtig biegt!\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/8zOU8MHvrtk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n\n\n<div class=\"responsive-container embed-youtube-com\"><iframe title=\"Testing Burning NVIDIA 12VHPWR Adapter Cable Theories (RTX 4090)\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/EIKjZ1djp8c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n\n\n\n<p>Notre confr\u00e8re Igor Wallossek a publi\u00e9 un dossier sur le sujet il y a quelques jours. Il a constat\u00e9 de possibles probl\u00e8mes de soudures avec certains connecteurs. Ses suggestions pour les fabricants : sertir plut\u00f4t que souder les joints ; pour les utilisateurs : conserver un angle de pliage mod\u00e9r\u00e9 \u2013 surtout, ne pas plier trop proche du connecteur et lorsque celui-ci est branch\u00e9. L\u2019id\u00e9e g\u00e9n\u00e9rale d\u2019Igor est que la soudure de certains connecteurs est trop fragile et n\u00e9cessite beaucoup de pr\u00e9caution. Dans tous les cas, il n\u2019a pu reproduire une surchauffe induisant une d\u00e9t\u00e9rioration majeure de l&#8217;adaptateur. Igor estime toutefois que ce dernier doit \u00eatre retir\u00e9 de la circulation.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure.jpg\"><img alt=\"Image 1 : Surchauffe de l&#039;adaptateur 12VHPWR\u00a0: le point sur les investigations\" decoding=\"async\" width=\"1024\" height=\"630\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-1024x630.jpg\" alt=\"\" class=\"wp-image-749588\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-1024x630.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-300x185.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-150x92.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-200x123.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-250x154.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-350x215.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-400x246.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-450x277.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-500x308.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-550x339.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-600x369.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-640x394.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-710x437.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-755x465.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure-1320x813.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/soudure.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 Gamers Nexus<\/figcaption><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A lire aussi : <a href=\"https:\/\/www.tomshardware.fr\/rtx-4090-des-premiers-de-cas-de-fontes-dadaptateurs-16-broches\/\">RTX 4090 : des premiers cas de fonte d\u2019adaptateurs 16 broches<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-disparite-300-v-150-v\">Une disparit\u00e9 300 V \/ 150 V ?<\/h2>\n\n\n\n<p>Steve Burke de Gamers Nexus s\u2019est \u00e9galement pench\u00e9 sur ce probl\u00e8me. Il a men\u00e9 son exp\u00e9rimentation sur cinq connecteurs diff\u00e9rents et avec trois cartes graphiques GeForce RTX 4090, pouss\u00e9es \u00e0 plus de 600 W pendant plusieurs heures. L\u00e0 encore, Steve Burke n&#8217;a pu reproduire aucun probl\u00e8me de surchauffe aussi cons\u00e9quent que celui rapport\u00e9 par les utilisateurs. Il note que tous ses adapteurs utilisent des c\u00e2bles de 300 V (14AWG, 105C ; AWG signifie <em>American Wire Gauge<\/em>) tandis que ceux d\u2019Igor sont de 150 V.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090.jpg\"><img alt=\"Image 2 : Surchauffe de l&#039;adaptateur 12VHPWR\u00a0: le point sur les investigations\" decoding=\"async\" width=\"1024\" height=\"704\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-1024x704.jpg\" alt=\"\" class=\"wp-image-749589\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-1024x704.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-300x206.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-150x103.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-200x138.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-250x172.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-350x241.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-400x275.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-450x309.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-500x344.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-550x378.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-600x413.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-640x440.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-710x488.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-755x519.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090-1320x908.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx4090.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 Gamers Nexus<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902.jpg\"><img alt=\"Image 3 : Surchauffe de l&#039;adaptateur 12VHPWR\u00a0: le point sur les investigations\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-1024x576.jpg\" alt=\"\" class=\"wp-image-749590\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-1024x576.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-150x84.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-200x113.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-250x141.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-350x197.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-400x225.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-450x253.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-500x281.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-550x309.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-600x338.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-640x360.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-710x399.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-755x425.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902-1320x743.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/exprtx40902.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 Gamers Nexus<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>Devant ce constat, GN et Hardware Luxx ont lanc\u00e9 des enqu\u00eates aupr\u00e8s de leurs lecteurs. Selon GN, sur 130 r\u00e9ponses, seuls sept ont re\u00e7u des adaptateurs utilisant des c\u00e2bles de 150 V, soit seulement 5,4 %.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"responsive-container\"><blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Just keeping everyone updated: Out of about 130 emails so far to the 4090cable inbox, we&#39;ve received 7 that are 150V rated wires (and therefore potentially indicative of different supply), so 5%. That rating doesn&#39;t instantly mean it&#39;s bad. Replying to a few for info<\/p>&mdash; GamersNexus (@GamersNexus) <a href=\"https:\/\/twitter.com\/GamersNexus\/status\/1586946648365830145?ref_src=twsrc%5Etfw\">October 31, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<\/div><\/figure>\n\n\n\n<p>Pour Hardware Luxx, le panel est plus restreint, mais 80 % ont des adaptateurs 12VHPWR 300 V.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"responsive-container\"><blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Since we have quite a large number of buyers of the GeForce RTX 4090 in our forum <a href=\"https:\/\/twitter.com\/hardwareluxx_de?ref_src=twsrc%5Etfw\">@hardwareluxx_de<\/a>, I asked the question which adapter comes with the card. 3x 8-pin 150\/300 V or 4x 8-pin 150\/300 v. So far the result looks like this. So there are some 150 V rated circulating. <a href=\"https:\/\/t.co\/BiWdDSbuD2\">pic.twitter.com\/BiWdDSbuD2<\/a><\/p>&mdash; Andreas Schilling \ud83c\uddfa\ud83c\udde6 \ud83c\uddee\ud83c\uddf1 (@aschilling) <a href=\"https:\/\/twitter.com\/aschilling\/status\/1586756654393180162?ref_src=twsrc%5Etfw\">October 30, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<\/div><\/figure>\n\n\n\n<p>Pas de conclusion h\u00e2tive \u00e0 ce stade. Steve Burke a \u00e9crit dans un Tweet : &#8220;Pour \u00eatre vraiment, vraiment clair afin que les gens ne paniquent pas : encore une fois, nous n&#8217;avons aucune preuve actuellement pour sugg\u00e9rer que les c\u00e2bles 150V sont fonci\u00e8rement mauvais. Tout ce que cela signifie, c&#8217;est qu&#8217;ils sont identiques \u00e0 ceux qu&#8217;Igor a montr\u00e9s &#8211; nous supposons qu&#8217;ils sont plus anciens, mais nous ne sommes pas s\u00fbrs. Nous essayons d&#8217;en obtenir pour les tester.&#8221;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"responsive-container\"><blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">And to be really, really clear so people don&#39;t panic: Again, we have no evidence presently to suggest 150V cables are instantly bad. All that means is they&#39;re the same as what Igor showed &#8211; we assume older supply, but not sure. We&#39;re trying to get some for testing.<\/p>&mdash; GamersNexus (@GamersNexus) <a href=\"https:\/\/twitter.com\/GamersNexus\/status\/1586946942399021058?ref_src=twsrc%5Etfw\">October 31, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<\/div><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><em>Sources : <a href=\"https:\/\/www.igorslab.de\/en\/so-goes-12vhpwr-correct-crimping-until-the-doctor-comes-how-to-power-the-geforce-rtx-4090-correctly\/2\/\" target=\"_blank\" rel=\"noreferrer noopener\">Igor&#8217;s LAB<\/a>, Tom&#8217;s Hardware US, GamersNexus, HardwareLuxx<\/em><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour le moment, les d\u00e9faillances rencontr\u00e9es par les utilisateurs n'ont pu \u00eatre reproduites en laboratoire.<\/p>","protected":false},"author":87,"featured_media":749587,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[487,4072],"tags":[646,4063,538],"hubs":[],"class_list":["post-749586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-cartes-graphiques","tag-geforce","tag-geforce-rtx-40","tag-nvidia"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":false,"post_source":"","hide_sidebar":false,"hide_advertising":false,"post_show_summary":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v23.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Surchauffe de l&#039;adaptateur 12VHPWR\u00a0: le point sur les investigations<\/title>\n<meta name=\"description\" content=\"Pour le moment, les d\u00e9faillances rencontr\u00e9es 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