{"id":1179,"date":"2026-04-16T03:17:40","date_gmt":"2026-04-16T03:17:40","guid":{"rendered":"https:\/\/tousbatterie.com\/blogs\/?p=1179"},"modified":"2026-04-16T03:17:41","modified_gmt":"2026-04-16T03:17:41","slug":"hp-z420-workstation-test-complet-performances-reelles-et-guide-dalimentation-mise-a-niveau-remplacement","status":"publish","type":"post","link":"https:\/\/tousbatterie.com\/blogs\/2026\/04\/16\/hp-z420-workstation-test-complet-performances-reelles-et-guide-dalimentation-mise-a-niveau-remplacement\/","title":{"rendered":"HP Z420 Workstation : test complet, performances r\u00e9elles et guide d\u2019alimentation (mise \u00e0 niveau &amp; remplacement)"},"content":{"rendered":"\n<p>Le <strong>HP Z420 Workstation<\/strong> reste en 2026 une r\u00e9f\u00e9rence solide dans le segment des stations de travail d\u2019occasion. Con\u00e7u pour la stabilit\u00e9 et les charges lourdes, ce mod\u00e8le continue d\u2019attirer les professionnels et les passionn\u00e9s \u00e0 budget ma\u00eetris\u00e9. Voici une analyse compl\u00e8te, orient\u00e9e <strong>performance, \u00e9volutivit\u00e9 et alimentation<\/strong>, avec un focus essentiel sur le remplacement du bloc d\u2019alimentation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd0e Positionnement et architecture technique<\/h2>\n\n\n\n<p>Le <strong>HP Z420<\/strong> est une station de travail <strong>single socket<\/strong>, situ\u00e9e entre PC grand public et serveur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Plateforme CPU<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intel Xeon E5-1600 \/ E5-2600 (v1 \/ v2)<\/li>\n\n\n\n<li>Jusqu\u2019\u00e0 <strong>8 c\u0153urs \/ 16 threads (E5-1680 v2)<\/strong><\/li>\n\n\n\n<li>Support <strong>ECC<\/strong> \u2192 stabilit\u00e9 maximale<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Id\u00e9al pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rendu 3D<\/li>\n\n\n\n<li>compilation<\/li>\n\n\n\n<li>simulation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 M\u00e9moire<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>8 slots DIMM<\/li>\n\n\n\n<li>Jusqu\u2019\u00e0 <strong>64 Go (standard)<\/strong> \/ <strong>128 Go+ (LRDIMM)<\/strong><\/li>\n\n\n\n<li>ECC support\u00e9<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Avantage cl\u00e9 : fiabilit\u00e9 serveur sup\u00e9rieure aux PC classiques<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Stockage<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>4\u00d7 baies 3.5\u201d + extensions 5.25\u201d<\/li>\n\n\n\n<li>SATA + SAS possible<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Peut servir de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mini NAS<\/li>\n\n\n\n<li>cache de rendu<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 GPU<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PCIe x16 \u00d72<\/li>\n\n\n\n<li>Compatible :\n<ul class=\"wp-block-list\">\n<li>NVIDIA Quadro<\/li>\n\n\n\n<li>AMD FirePro<\/li>\n\n\n\n<li>certaines GTX\/RTX<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u26a0\ufe0f Attention : compatibilit\u00e9 variable (ex : RX580 parfois non reconnue)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2699\ufe0f Performances r\u00e9elles (analyse terrain)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Points forts<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellente performance multithread (Xeon)<\/li>\n\n\n\n<li>Tr\u00e8s grande \u00e9volutivit\u00e9<\/li>\n\n\n\n<li>Stabilit\u00e9 24\/7 (certifications ISV)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c Limites<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plateforme vieillissante (DDR3, PCIe 3.0)<\/li>\n\n\n\n<li>Pas de NVMe natif<\/li>\n\n\n\n<li>Consommation \u00e9lev\u00e9e :\n<ul class=\"wp-block-list\">\n<li>Idle : 70\u2013100W<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Connectique d\u00e9pass\u00e9e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd0b Syst\u00e8me d\u2019alimentation : \u00e9l\u00e9ment critique<\/h2>\n\n\n\n<p>Le point le plus important du <strong>HP Z420<\/strong> est son <strong>alimentation propri\u00e9taire<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Sp\u00e9cifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>400W \/ 600W \/ 700W \/ 800W<\/li>\n\n\n\n<li>Mod\u00e8les typiques :\n<ul class=\"wp-block-list\">\n<li>623193-001<\/li>\n\n\n\n<li>632911-001<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Particularit\u00e9 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Connecteur <strong>18-pin propri\u00e9taire<\/strong><\/li>\n\n\n\n<li>Format non ATX<\/li>\n\n\n\n<li>Gestion intelligente de la charge<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd27 Remplacement de l\u2019alimentation (guide pratique)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tapes essentielles<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u00c9teindre et d\u00e9brancher<\/li>\n\n\n\n<li>D\u00e9charger (bouton power 5 sec)<\/li>\n\n\n\n<li>Ouvrir le panneau lat\u00e9ral<\/li>\n\n\n\n<li>D\u00e9connecter :\n<ul class=\"wp-block-list\">\n<li>carte m\u00e8re (18-pin)<\/li>\n\n\n\n<li>CPU<\/li>\n\n\n\n<li>GPU<\/li>\n\n\n\n<li>SATA<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Retirer les vis arri\u00e8re<\/li>\n\n\n\n<li>Extraire le bloc<\/li>\n\n\n\n<li>Installer le nouveau bloc et reconnecter<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 V\u00e9rifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ventilateur OK<\/li>\n\n\n\n<li>Pas d\u2019erreur BIOS<\/li>\n\n\n\n<li>Aucun voyant rouge<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\ude80 Mise \u00e0 niveau de l\u2019alimentation (recommandations)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Option 1 (recommand\u00e9e)<\/h3>\n\n\n\n<p>\ud83d\udc49 alimentation HP d\u2019origine plus puissante<\/p>\n\n\n\n<p>Pour une solution fiable et sans risque, optez pour une<br><strong><a href=\"https:\/\/www.tousbatterie.com\/detail-hp-DPS-600UB-adapter-model-HPP17190-GSB574\">alimentation HP Z420<\/a><\/strong> compatible et certifi\u00e9e.<\/p>\n\n\n\n<p>Cette<br><strong><a href=\"https:\/\/www.tousbatterie.com\/detail-hp-DPS-600UB-adapter-model-HPP17190-GSB574\">alimentation HP Z420<\/a><\/strong> garantit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>compatibilit\u00e9 totale<\/li>\n\n\n\n<li>stabilit\u00e9 sous charge<\/li>\n\n\n\n<li>s\u00e9curit\u00e9 \u00e9lectrique<\/li>\n<\/ul>\n\n\n\n<p>Pour les configurations avec GPU ou stockage \u00e9tendu, une<br><strong><a href=\"https:\/\/www.tousbatterie.com\/detail-hp-DPS-600UB-adapter-model-HPP17190-GSB574\">alimentation HP Z420<\/a><\/strong> plus puissante est fortement recommand\u00e9e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f Option 2 (non recommand\u00e9e)<\/h3>\n\n\n\n<p>\ud83d\udc49 Adaptation ATX + convertisseur<\/p>\n\n\n\n<p>Risques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>incompatibilit\u00e9 tension standby<\/li>\n\n\n\n<li>d\u00e9marrage impossible<\/li>\n\n\n\n<li>dommages carte m\u00e8re<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Conclusion : r\u00e9serv\u00e9 aux experts uniquement<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\udde9 Conseils d\u2019upgrade (2026)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">CPU<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>E5-1650 v2 \u2192 meilleur rapport perf\/prix<\/li>\n\n\n\n<li>E5-1680 v2 \u2192 maximum<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">RAM<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>32 Go minimum<\/li>\n\n\n\n<li>64 Go recommand\u00e9 (rendu)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Stockage<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SSD SATA (OS)<\/li>\n\n\n\n<li>NVMe via adaptateur PCIe<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">GPU<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u00fbr : GTX 1060 \/ 1660<\/li>\n\n\n\n<li>pro : Quadro K<\/li>\n\n\n\n<li>\u26a0\ufe0f RTX \u2192 n\u00e9cessite alimentation renforc\u00e9e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udfaf Pour qui ?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Recommand\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>station de travail \u00e0 budget r\u00e9duit<\/li>\n\n\n\n<li>virtualisation \/ NAS<\/li>\n\n\n\n<li>apprentissage technique<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u274c Non recommand\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>gaming pur<\/li>\n\n\n\n<li>faible consommation<\/li>\n\n\n\n<li>environnement moderne (Windows 11 limit\u00e9)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddfe Conclusion<\/h2>\n\n\n\n<p>\ud83d\udc49 <strong>HP Z420 = une station de travail robuste, stable et \u00e9volutive<\/strong>, mais fortement d\u00e9pendante de son alimentation propri\u00e9taire.<\/p>\n\n\n\n<p>Pour garantir fiabilit\u00e9 et long\u00e9vit\u00e9, le choix d\u2019une<br><strong><a href=\"https:\/\/www.tousbatterie.com\/detail-hp-DPS-600UB-adapter-model-HPP17190-GSB574\">alimentation HP Z420<\/a><\/strong> adapt\u00e9e est absolument essentiel.<\/p>\n\n\n\n<p>C\u2019est une machine qui reste pertinente en 2026 \u2014 \u00e0 condition de ma\u00eetriser ses contraintes techniques, en particulier sur le plan \u00e9nerg\u00e9tique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le HP Z420 Workstation reste en 2026 une r\u00e9f\u00e9rence solide dans le segment des stations de travail d\u2019occasion. Con\u00e7u pour<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[111],"tags":[327],"class_list":["post-1179","post","type-post","status-publish","format-standard","hentry","category-alimentation-secourue","tag-hp-z420"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HP Z420 Workstation : test complet, performances r\u00e9elles et guide d\u2019alimentation (mise \u00e0 niveau &amp; remplacement) - Tousbatterie Blog<\/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:\/\/tousbatterie.com\/blogs\/2026\/04\/16\/hp-z420-workstation-test-complet-performances-reelles-et-guide-dalimentation-mise-a-niveau-remplacement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HP Z420 Workstation : test complet, performances r\u00e9elles et guide d\u2019alimentation (mise \u00e0 niveau &amp; remplacement) - Tousbatterie Blog\" \/>\n<meta property=\"og:description\" content=\"Le HP Z420 Workstation reste en 2026 une r\u00e9f\u00e9rence solide dans le segment des stations de travail d\u2019occasion. 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