{"id":44534,"date":"2026-08-27T02:18:30","date_gmt":"2026-08-27T00:18:30","guid":{"rendered":"https:\/\/www.chinasmartbuy.com\/blog\/nvidia-nvhbm-memoria-hbm-custom-nvlink-fusion\/"},"modified":"2026-08-27T02:18:32","modified_gmt":"2026-08-27T00:18:32","slug":"nvidia-nvhbm-memoria-hbm-custom-nvlink-fusion","status":"publish","type":"post","link":"https:\/\/www.chinasmartbuy.com\/blog\/nvidia-nvhbm-memoria-hbm-custom-nvlink-fusion\/","title":{"rendered":"Nvidia NVHBM ufficiale: pi\u00f9 banda, meno consumi per i chip AI custom"},"content":{"rendered":"\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Bebas+Neue&amp;family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&amp;display=swap\" rel=\"stylesheet\">\n<style>\n  :root {\n    --red: #CC1B1B;\n    --red-light: rgba(204,27,27,0.08);\n    --red-mid: #e84040;\n    --accent-soft-bg: rgba(204,27,27,0.07);\n    --accent-soft-border: rgba(204,27,27,0.18);\n    --text: #1a1a1a;\n    --text-muted: #666;\n    --card: #ffffff;\n    --border: #ebebeb;\n    --page-bg: #ffffff;\n    --surface-soft: #fafafa;\n    --surface-contrast: #f0f0f0;\n    --line-soft: #f5f5f5;\n    --soft-label: #bbb;\n    --muted-label: #999;\n    --copy: #333;\n    --font-head: 'Bebas Neue', sans-serif;\n    --font-body: 'DM Sans', sans-serif;\n    --heading-spacing: 0.04em;\n    --heading-weight: 400;\n    --spec-header-spacing: 0.08em;\n    --quickfacts-shadow: 0 10px 24px rgba(15,23,42,0.06);\n  }\n  .fbp5-wrap,.fbp5-wrap * { box-sizing:border-box; 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}\n  .fbp5-related-thumb-placeholder { width:100%; aspect-ratio:16\/9; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,rgba(204,27,27,.10),rgba(204,27,27,.03)); color:var(--red,#CC1B1B); font-family:var(--font-head,'Bebas Neue',sans-serif); font-size:28px; letter-spacing:.04em; }\n  .fbp5-related-body { padding:12px; }\n  .fbp5-related-body span { display:block; margin:0 0 6px; color:var(--red,#CC1B1B); font-size:11px; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }\n  .fbp5-related-body strong { display:block; font-size:15px; line-height:1.25; color:var(--text,#1a1a1a); }\n  .fbp5-related-body small { display:block; margin:7px 0 0; color:var(--text-muted,#666); font-size:13px; line-height:1.35; }\n  @media(max-width:720px) {\n    .fbp5-telegram-grid { grid-template-columns:1fr; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) { grid-template-columns:1fr; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-card { display:grid; grid-template-columns:112px minmax(0,1fr); align-items:stretch; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-card img,\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-thumb-placeholder { height:100%; min-height:92px; aspect-ratio:auto; }\n  }\n<\/style>\n<div class=\"fbp5-wrap rh-json-article\" id=\"rh-article-mtarxo4i-09ucw\" data-rh-article-type=\"news\" data-rh-site-profile=\"china-smart-buy\">\n  <div class=\"fbp5-intro\">\n    \n    <p>Nvidia ha annunciato <strong>NVHBM<\/strong>, una memoria ad alta larghezza di banda sviluppata in forma personalizzata per i partner che progettano chip compatibili con l\u2019ecosistema NVLink Fusion.<\/p><p>Il punto chiave \u00e8 l\u2019architettura: Nvidia sposta il controller di memoria dentro lo stack HBM invece di lasciarlo sul die principale dell\u2019acceleratore. In questo modo promette tre vantaggi concreti rispetto a HBM4e commerciale: <strong>fino al 30% di banda in pi\u00f9<\/strong>, consumi ridotti del 15% e pi\u00f9 spazio utile sul chip per aumentare le risorse di calcolo.<\/p>\n  <\/div><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/nvidia-nvhbm-ufficiale-20da6066-4c17-4179-99ee-dd98-1ifq93aas3.webp\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/nvidia-nvhbm-ufficiale-20da6066-4c17-4179-99ee-dd98-1ifq93aas3.webp\" alt=\"\u82f1\u4f1f\u8fbe\u63a8\u51fa NVHBM \u5b9a\u5236\u9ad8\u5e26\u5bbd\u5185\u5b58\uff1a\u76f8\u6bd4 HBM4e \u5e26\u5bbd\u63d0\u5347 30%\u3001\u529f\u8017\u964d\u4f4e 15%\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n  \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Architettura<\/div>\n        <h2>NVHBM nasce per liberare spazio sul chip e accelerare i carichi AI<\/h2>\n        <p>NVHBM entra nel pacchetto tecnologico di NVLink Fusion, il programma con cui Nvidia fornisce ai partner gli elementi necessari per collegare chip personalizzati a un dominio NVLink esteso. L\u2019obiettivo \u00e8 costruire sistemi in cui pi\u00f9 processori separati lavorano come una piattaforma unica, sul modello delle future infrastrutture rack-scale della famiglia Vera Rubin.<\/p><p>Per arrivare a questo risultato, Nvidia usa un base die HBM personalizzato e un\u2019interfaccia fisica pi\u00f9 compatta da integrare nel progetto del cliente. La scelta di trasferire il memory controller nello stack HBM riduce l\u2019area occupata dalla logica legata alla memoria sul silicio principale.<\/p><p>C\u2019\u00e8 anche un vantaggio lato packaging. Nei progetti avanzati con pi\u00f9 die collegati tra loro, una parte della complessit\u00e0 passa dall\u2019instradamento dei segnali sull\u2019interposer. Con NVHBM questa fase pu\u00f2 diventare pi\u00f9 semplice, aspetto che conta soprattutto quando i partner devono scalare chip molto complessi verso configurazioni di fascia alta.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Prestazioni<\/div>\n        <h2>Pi\u00f9 banda e meno consumi sono i due numeri da seguire con <span>maggiore attenzione<\/span><\/h2>\n        <p>Per gli acceleratori AI, la banda memoria \u00e8 uno dei colli di bottiglia pi\u00f9 evidenti, soprattutto quando devono spostare grandi quantit\u00e0 di pesi del modello e strutture come la KV cache. Nvidia indica per NVHBM un incremento fino al 30% per stack rispetto a HBM4e standard: nei carichi limitati dalla memoria, questo pu\u00f2 tradursi in pi\u00f9 throughput e in una generazione di token pi\u00f9 rapida nelle applicazioni di inferenza.<\/p><p>L\u2019altro dato rilevante \u00e8 l\u2019efficienza energetica. Nvidia parla di un assorbimento inferiore del 15% rispetto agli stack HBM4e commerciali. In sistemi composti da centinaia o migliaia di chip, anche un risparmio apparentemente contenuto per singolo acceleratore pu\u00f2 diventare significativo sul budget energetico complessivo.<\/p><p>Al momento, per\u00f2, NVHBM va letto soprattutto come una proposta strategica per i futuri partner di Nvidia pi\u00f9 che come un vantaggio immediatamente visibile nei sistemi Rubin gi\u00e0 in produzione. L\u2019azienda ha comunque confermato che progettazione e validazione della soluzione sono gi\u00e0 state completate insieme a produttori di memoria di primo piano, con l\u2019idea di ridurre tempi e complessit\u00e0 per chi sviluppa chip custom.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        <div class=\"fbp5-section-label\">Partner<\/div>\n        <h2>Annapurna Labs \u00e8 il primo partner e guarda alle <span>future piattaforme AWS<\/span><\/h2>\n        <p>Contestualmente all\u2019annuncio, Nvidia ha indicato <strong>Annapurna Labs<\/strong>, societ\u00e0 del gruppo Amazon, come primo partner di NVHBM. \u00c8 un passaggio da seguire con attenzione perch\u00e9 conferma l\u2019interesse dei grandi operatori cloud verso componenti memoria sempre pi\u00f9 integrati con acceleratori progettati su misura.<\/p><p>Annapurna Labs ha gi\u00e0 portato il supporto all\u2019interfaccia di espansione NVLink Fusion sulla prossima generazione del chip AI Trainium 4. Questo lascia intuire che le future iterazioni della piattaforma potrebbero adottare anche NVHBM come parte del design.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n<section class=\"fbp5-section\" data-rh-related-section=\"1\">\n      <div class=\"fbp5-section-label\">Articoli correlati<\/div>\n      <h2>Altre notizie <span>da leggere<\/span><\/h2>\n      <div class=\"fbp5-related-grid\"><a class=\"fbp5-related-card\" href=\"https:\/\/www.chinasmartbuy.com\/blog\/openai-rapporto-attacco-hugging-face-sandbox-ai\" target=\"_blank\" rel=\"noopener\">\n      <img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/openai-pubblica-il-rapporto-sull-attacco-a-hugging-face-8ad2304d-c61b-4004-9483-e1a5-44vehv1889.webp\" alt=\"OpenAI pubblica il rapporto sull\u2019attacco a Hugging Face\" loading=\"lazy\">\n      <div class=\"fbp5-related-body\">\n        <span>ai<\/span>\n        <strong>OpenAI pubblica il rapporto 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NVHBM","footnotes":""},"categories":[480],"tags":[933],"class_list":["post-44534","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ai"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nvidia NVHBM ufficiale: pi\u00f9 banda, meno consumi per i chip AI custom<\/title>\n<meta name=\"description\" content=\"Nvidia svela NVHBM, memoria ad alta larghezza di banda per chip custom NVLink Fusion con pi\u00f9 efficienza e pi\u00f9 spazio utile sul die.\" \/>\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.chinasmartbuy.com\/blog\/nvidia-nvhbm-memoria-hbm-custom-nvlink-fusion\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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