{"id":888928,"date":"2024-04-30T18:22:09","date_gmt":"2024-04-30T16:22:09","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=888928"},"modified":"2024-05-01T13:29:14","modified_gmt":"2024-05-01T11:29:14","slug":"cette-delicate-operation-sur-votre-ssd-dentree-de-gamme-peut-laccelerer-et-allonger-sa-duree-de-vie","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/cette-delicate-operation-sur-votre-ssd-dentree-de-gamme-peut-laccelerer-et-allonger-sa-duree-de-vie\/","title":{"rendered":"Cette d\u00e9licate op\u00e9ration sur votre SSD d&#8217;entr\u00e9e de gamme peut l&#8217;acc\u00e9l\u00e9rer et allonger sa dur\u00e9e de vie"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1200\" height=\"750\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC.jpg\" alt=\"SSD QLC vers SLC\" class=\"wp-image-888929\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-300x188.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">SSD BX500 \u00a9Crucial<\/figcaption><\/figure><\/div>\n\n\n<p>Le syst\u00e8me de stockage<strong> est une pi\u00e8ce ma\u00eetresse<\/strong> lorsqu\u2019il s\u2019agit de configurer un ordinateur. Que ce soit pour son volume ou sa vitesse, le choix d\u2019un HDD ou <a href=\"https:\/\/www.tomshardware.fr\/test-meilleur-ssd-sata-nvme-m2-pcie-samsung-crucial-adata\/\">SSD<\/a> ne doit pas \u00eatre pris \u00e0 la l\u00e9g\u00e8re. Malheureusement, le choix est grand et de nombreux stockages peuvent<strong> s&#8217;av\u00e9rer insuffisants <\/strong>selon l\u2019usage.<\/p>\n\n\n\n<p>C\u2019est le cas, par exemple, des <strong>Crucial BX500<\/strong>, des SSD SATA abordables pour le march\u00e9 grand public mais tr\u00e8s loin des performances du <a href=\"https:\/\/www.tomshardware.fr\/crucial-t705-le-ssd-pcie-gen5-le-plus-rapide-du-monde-flashe-a-145-go-s\/\">Crucial T705, le SSD PCIe Gen 5 le plus rapide du monde<\/a> (actuellement).<\/p>\n\n\n\n<p>Heureusement, avec un peu de savoir-faire, il est possible de <strong>doper les capacit\u00e9s des syst\u00e8mes de stockage<\/strong> comme le BX500. Si des <a href=\"https:\/\/www.tomshardware.fr\/25-des-meilleurs-utilitaires-gratuits-pour-maitriser-ses-disques-durs-et-ssd\/\">utilitaires gratuits permettent d\u2019optimiser ses SSD<\/a>, une autre solution existe : la transition du QLC (cellules \u00e0 quatre niveaux) ou du TLC vers le SLC (cellules \u00e0 niveau unique).<\/p>\n\n\n\n<p>C\u2019est en tout cas ce que tend \u00e0 prouver<strong> l&#8217;exp\u00e9rience d\u2019un ing\u00e9nieur <\/strong>informatique et amateur de technologie qui a r\u00e9ussi \u00e0 convertir son SSD Crucial BX500 de 512 Go <strong>de QLC en SLC<\/strong>. Il en r\u00e9sulte un syst\u00e8me de stockage plus performant mais aussi beaucoup plus durable.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"responsive-container embed-youtube-com\"><iframe title=\"Transforming a QLC SSD into an SLC SSD - Dramatically increasing its endurance and even performance!\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/bkTLR8pcA_A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-le-slc-augmente-les-performances-et-la-durabilite-du-ssd\">Le SLC augmente les performances et la durabilit\u00e9 du SSD<\/h2>\n\n\n\n<p>Finalement, alors que <a href=\"https:\/\/www.tomshardware.fr\/le-prix-des-ssd-pourrait-repartir-a-la-hausse-la-demande-de-puces-de-memoire-flash-explose\/\">le prix des SSD pourrait repartir \u00e0 la hauss<\/a>e, ce genre de mod\u00e8le abordable pourrait \u00eatre int\u00e9ressant. Le SSD utilis\u00e9 pour cette exp\u00e9rience contenait un <strong>contr\u00f4leur Silicon Motion SM2259XT2<\/strong> et quatre matrices NAND portant les num\u00e9ros de pi\u00e8ce NY240.<\/p>\n\n\n\n<p>Pour r\u00e9aliser cette conversion, Gabriel Ferraz (l\u2019ing\u00e9nieur en question) a utilis\u00e9 une application appel\u00e9e MPtools. Celle-ci lui a permis de <strong>modifier le firmware du contr\u00f4leur<\/strong> afin que l\u2019int\u00e9gralit\u00e9 des cellules soient <strong>consid\u00e9r\u00e9es comme SLC.<\/strong><\/p>\n\n\n\n<p>Les avantages de cette transformation d\u2019un SSD TCL ou QLC incluent une<strong> endurance accrue<\/strong>. Avec l\u2019exemple du BX500 il est possible d\u2019observer<strong> augmentation du TBW<\/strong> (Terabytes written, un indicateur de la dur\u00e9e de vie d\u2019un SSD)<strong> allant jusqu\u2019\u00e0 4 000<\/strong>. En somme, cela repr\u00e9sente une am\u00e9lioration d\u2019environ 3 000 % de la durabilit\u00e9 du SSD.<\/p>\n\n\n\n<p>De plus, il semblerait que la<strong> latence, le temps d\u2019acc\u00e8s<\/strong> ainsi que l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique du SSD soient <strong>\u00e9galement dop\u00e9s<\/strong> par la proc\u00e9dure. En revanche, en ce qui concerne le transfert de donn\u00e9es, l\u2019am\u00e9lioration ne semble que minime.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;uploadedSrc&quot;:&quot;https:\\\/\\\/www.tomshardware.fr\\\/content\\\/uploads\\\/sites\\\/3\\\/2024\\\/04\\\/SSD-QLC-vers-SLC-bis.jpg&quot;,&quot;figureClassNames&quot;:&quot;wp-block-image size-large&quot;,&quot;figureStyles&quot;:null,&quot;imgClassNames&quot;:&quot;wp-image-888931&quot;,&quot;imgStyles&quot;:null,&quot;targetWidth&quot;:1707,&quot;targetHeight&quot;:960,&quot;scaleAttr&quot;:false,&quot;ariaLabel&quot;:&quot;Agrandir l\\u2019image\\u00a0: SSD QLC vers SLC&quot;,&quot;alt&quot;:&quot;SSD QLC vers SLC&quot;}\" data-wp-interactive=\"core\/image\" class=\"wp-block-image size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1200\" height=\"675\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" data-id=\"888931\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-1200x675.jpg\" alt=\"SSD QLC vers SLC\" class=\"wp-image-888931\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-1200x675.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-768x432.jpg 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-1536x864.jpg 1536w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis-1320x742.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-bis.jpg 1707w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir l\u2019image\u00a0: SSD QLC vers SLC\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on-async--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"context.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"context.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;uploadedSrc&quot;:&quot;https:\\\/\\\/www.tomshardware.fr\\\/content\\\/uploads\\\/sites\\\/3\\\/2024\\\/04\\\/SSD-QLC-vers-SLC-ter.jpg&quot;,&quot;figureClassNames&quot;:&quot;wp-block-image size-large&quot;,&quot;figureStyles&quot;:null,&quot;imgClassNames&quot;:&quot;wp-image-888930&quot;,&quot;imgStyles&quot;:null,&quot;targetWidth&quot;:1707,&quot;targetHeight&quot;:960,&quot;scaleAttr&quot;:false,&quot;ariaLabel&quot;:&quot;Agrandir l\\u2019image\\u00a0: SSD QLC vers SLC&quot;,&quot;alt&quot;:&quot;SSD QLC vers SLC&quot;}\" data-wp-interactive=\"core\/image\" class=\"wp-block-image size-large wp-lightbox-container\"><img decoding=\"async\" width=\"1200\" height=\"675\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" data-id=\"888930\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-1200x675.jpg\" alt=\"SSD QLC vers SLC\" class=\"wp-image-888930\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-1200x675.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-768x432.jpg 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-1536x864.jpg 1536w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter-1320x742.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/04\/SSD-QLC-vers-SLC-ter.jpg 1707w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir l\u2019image\u00a0: SSD QLC vers SLC\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on-async--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"context.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"context.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">\u00a9Gabriel Ferraz<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-prouesse-technique-a-nuancer\">Une prouesse technique \u00e0 nuancer<\/h2>\n\n\n\n<p>Enfin, la capacit\u00e9 totale de <strong>stockage baisse drastiquement<\/strong> apr\u00e8s le passage du QLC au SLC. La conversion a, en effet, drastiquement r\u00e9duit l\u2019espace disponible, faisant passer le BX500 de<strong> 512 Go \u00e0 120 Go.<\/strong><\/p>\n\n\n\n<p>Si l\u2019op\u00e9ration est donc<strong> impressionnante techniquement<\/strong>, elle ne semble pour l\u2019instant pas avoir de v\u00e9ritable utilit\u00e9. L\u2019augmentation globale des performances pourrait ne pas \u00eatre suffisante pour <strong>justifier d\u2019une telle baisse <\/strong>de la capacit\u00e9 de stockage.<\/p>\n\n\n\n<p>De plus, <strong>Ferraz met en garde les utilisateurs<\/strong> sur la n\u00e9cessit\u00e9 de faire preuve de prudence lors de la tentative de modification du SSD. Selon lui, une <strong>erreur dans la proc\u00e9dure<\/strong> pourrait potentiellement <strong>d\u00e9truire le syst\u00e8me de stockage <\/strong>et le rendre inutilisable.<\/p>\n\n\n\n<div class=\"tldr\">\n    <ul>\n        <li>Un ing\u00e9nieur a r\u00e9ussi le tour de force de faire passer un SSD QCL d&#8217;entr\u00e9e de gamme en SSD SLC.<\/li>\n        <li>Pour faire cette transition, il a d\u00fb modifier le firmware pour que chaque cellule soit consid\u00e9r\u00e9e comme \u00e9tant SLC.<\/li>\n        <li>Cette op\u00e9ration risqu\u00e9e a eu pour effet d&#8217;acc\u00e9l\u00e9rer le SSD et d&#8217;allonger sa dur\u00e9e de vie.<\/li>\n    <\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un ing\u00e9nieur vient de r\u00e9ussir un tour de force concernant son SSD Crucial BX500. \u00c0 la suite d\u2019un processus minutieux, il a r\u00e9ussi \u00e0 transformer son syst\u00e8me QLC en SLC. Cela a eu pour effet\u2026<\/p>","protected":false},"author":139,"featured_media":888929,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4073],"tags":[496],"hubs":[],"class_list":["post-888928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssd","tag-stockage"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":true,"post_show_summary":false,"post_source":"","hide_sidebar":false,"hide_advertising":false,"custom_ga_words":""},"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>Cette d\u00e9licate op\u00e9ration sur votre SSD d&#039;entr\u00e9e de gamme peut l&#039;acc\u00e9l\u00e9rer et allonger sa dur\u00e9e de vie<\/title>\n<meta name=\"description\" content=\"Un ing\u00e9nieur vient de r\u00e9ussir un tour de force concernant son SSD Crucial BX500. \u00c0 la suite d\u2019un processus minutieux, il a r\u00e9ussi \u00e0 transformer son syst\u00e8me QLC en SLC. Cela a eu pour effet d\u2019augmenter la dur\u00e9e de vie et les performances du SSD de fa\u00e7on drastique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tomshardware.fr\/cette-delicate-operation-sur-votre-ssd-dentree-de-gamme-peut-laccelerer-et-allonger-sa-duree-de-vie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cette d\u00e9licate op\u00e9ration sur votre SSD d&#039;entr\u00e9e de gamme peut l&#039;acc\u00e9l\u00e9rer et allonger sa dur\u00e9e de vie\" \/>\n<meta property=\"og:description\" content=\"Un ing\u00e9nieur vient de r\u00e9ussir un tour de force concernant son SSD Crucial BX500. \u00c0 la suite d\u2019un processus minutieux, il a r\u00e9ussi \u00e0 transformer son syst\u00e8me QLC en SLC. 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