{"id":17033,"date":"2026-04-16T18:19:25","date_gmt":"2026-04-16T10:19:25","guid":{"rendered":"https:\/\/www.oscoo.com\/?p=17033"},"modified":"2026-04-16T18:21:13","modified_gmt":"2026-04-16T10:21:13","slug":"are-all-ssds-pcie","status":"publish","type":"post","link":"https:\/\/www.oscoo.com\/it\/news\/are-all-ssds-pcie\/","title":{"rendered":"Tutte le unit\u00e0 SSD sono PCIe?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"17033\" class=\"elementor elementor-17033\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35f4bf0 blog-post-container e-flex e-con-boxed e-con e-parent\" data-id=\"35f4bf0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-04c1782 intro elementor-widget elementor-widget-text-editor\" data-id=\"04c1782\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Not all <a href=\"\/it\/news\/different-types-of-ssds\/\"><span style=\"color: #00ccff;\">SSD<\/span><\/a> use PCIe. PCIe is a high-speed interface designed for modern, high-performance SSDs, but many common SSDs\u00a0rely on different connections, such as SATA and external USB models.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80f5a9f elementor-widget elementor-widget-heading\" data-id=\"80f5a9f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Not All SSDs Are PCIe?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eec2c2a elementor-widget elementor-widget-heading\" data-id=\"eec2c2a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">PCIe Is Primarily the Name of a Bus<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9791f8f elementor-widget elementor-widget-text-editor\" data-id=\"9791f8f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Many people think of&#8221;PCIe&#8221;\u00a0as a certain slot shape. But technically, <a href=\"https:\/\/en.wikipedia.org\/wiki\/PCI_Express\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #00ccff;\">PCIe (Peripheral Component Interconnect Express)<\/span><\/a> is first of all a bus standard. It defines how data moves at high speed between the CPU, memory, and devices like SSDs and graphics cards. When you hear&#8221;PCIe SSD&#8221;, it means the SSD uses the PCIe bus as its data path, but\u00a0not that it has to look a certain way.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0b586c elementor-widget elementor-widget-heading\" data-id=\"f0b586c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Besides PCIe, What Other Buses Do SSDs Use?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa39db4 elementor-widget elementor-widget-text-editor\" data-id=\"aa39db4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In today&#8217;s <a href=\"\/it\/news\/comprehensive-comparison-enterprise-ssd-vs-consumer-ssd\/\"><span style=\"color: #00ccff;\">consumer and enterprise SSDs<\/span><\/a>, you will mainly encounter three kinds of buses:<\/p><ul><li><b><\/b><strong><b>SATA bus: <\/b><\/strong>Originally designed for mechanical hard drives. It has a theoretical bandwidth of 6 Gbps, which translates to about 550 MB\/s in real-world speed. <a href=\"\/it\/news\/what-is-a-sata-ssd\/\"><span style=\"color: #00ccff;\">SSD SATA<\/span><\/a> use this bus.<\/li><li><b><\/b><strong><b>PCIe bus: <\/b><\/strong>It is much faster\u00a0than SATA. A single lane (x1) can deliver about 1 GB\/s (for PCIe 3.0). Mainstream SSDs use four lanes (x4), reaching several GB\/s or even higher.<\/li><li><b><\/b><strong><b>USB bus: <\/b><\/strong>Used for <a href=\"\/it\/news\/what-is-a-portable-ssd-used-for\/\"><span style=\"color: #00ccff;\">SSD esterni<\/span><\/a>. Even if an external SSD may contain a PCIe NVMe drive inside, the data path from the enclosure to your computer runs over the USB bus, with a bridge chip converting the signals.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76487e6 elementor-widget elementor-widget-shortcode\" data-id=\"76487e6\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><a href=\"\/it\/oscoo-leading-ssd-manufacturer\/\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/oscoo-2b-banner-1400x475-1.webp\" style=\"widht:100%;\" alt=\"\" title=\"\"><\/a><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba18d91 elementor-widget elementor-widget-heading\" data-id=\"ba18d91\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Where Does the Confusion Come From?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53cf5ec elementor-widget elementor-widget-text-editor\" data-id=\"53cf5ec\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The bus is made of copper traces and electrical signals inside the circuit board. You cannot see&#8221;the bus&#8221;\u00a0even if you open up your computer. What you can see are two things: the physical interface (SATA port, M.2 slot, USB-C port, etc.) and the SSD&#8217;s size or <a href=\"\/it\/news\/understanding-ssd-form-factors-a-comprehensive-guide\/\"><span style=\"color: #00ccff;\">fattore di forma<\/span><\/a> (2.5-inch, M.2,\u00a0U.2, etc.). Many people assume that the same interface or same shape means the same bus. That assumption is often wrong, and it&#8217;s the main source of confusion.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80a7697 elementor-widget elementor-widget-text-editor\" data-id=\"80a7697\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In many cases, bus and interface or form factor are not tightly linked:<\/p><ul><li><b><\/b><strong><b>M.2 interface: <\/b><\/strong>M.2 is a physical shape (a small stick-like card), but it can run on either the SATA bus or the PCIe bus. You cannot tell which bus an <a href=\"\/it\/news\/what-is-an-m-2-ssd-not-just-smaller-but-faster-and-more-powerful\/\"><span style=\"color: #00ccff;\">SSD M.2<\/span><\/a> uses just its appearance. You have to check the specs. If you plug an M.2 SATA drive into a slot that only supports PCIe, it won&#8217;t work, and vice versa.<\/li><li><b><\/b><strong><b>2.5-inch form factor: <\/b><\/strong>Most 2.5-inch SSDs run on the SATA bus. However, U.2 SSDs are also 2.5-inches in size, but they use the PCIe bus. They look similar in size, but the connector is different (U.2 has a denser, different port). Just seeing&#8221;2.5-inch&#8221; tells you nothing about the bus.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92940d2 elementor-widget elementor-widget-text-editor\" data-id=\"92940d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Nevertheless, there are also cases where bus and interface are absolutely linked:<\/p><ul><li>Standard SATA data port (L-shaped, 7-pin) \u2192 Always SATA bus.<\/li><li>Standard PCIe slot (like x4, x8, x16 long slots) \u2192 Always PCIe bus.<\/li><li>mSATA interface (older mini card) \u2192 Always SATA bus.<\/li><li>USB Typea-A or Type-C port (as an external connection) \u2192 Always USB bus.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b4f5f0 elementor-widget elementor-widget-heading\" data-id=\"4b4f5f0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Tell If an SSD Uses PCIe<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6837f58 elementor-widget elementor-widget-text-editor\" data-id=\"6837f58\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Read the Specifications.<\/b><\/strong>\u00a0Look for the interface or bus field on the drive&#8217;s label, its packaging, or the manufacturer&#8217;s website. If it says&#8221;PCIe&#8221;,&#8221;NVMe&#8221;,&#8221;PCIe Gen3 x4&#8243;,&#8221;PCIe 4.0&#8243;, etc., the drive uses the PCIe bus. If it says&#8221;SATA&#8221;,&#8221;SATA III&#8221;, it uses the SATA bus.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9bccbf8 elementor-widget elementor-widget-text-editor\" data-id=\"9bccbf8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Use Software to Detect the Bus<\/b><\/strong><strong><b>. <\/b><\/strong>If the SSD is already installed in your computer, you can simply ask the operating system.<\/p><ul><li>On Windows, open Device Manager, expand&#8221;Disk drives&#8221;, right-click your SSD, go to <em>Properties \u2192 Details \u2192&#8221;Hardware Ids&#8221;.<\/em> If you see&#8221;NVMe&#8221; anywhere in the string, it&#8217;s PCIe. If you see&#8221;SATA&#8221;, it&#8217;s SATA.<\/li><li>On macOS, <em>click the Apple logo \u2192 About This Mac \u2192 System Report<\/em> \u2192 If your SSD appears there, it&#8217;s PCIe. If not, it&#8217;s likely SATA (and will appear under SATA\/SATA Express).<\/li><li>On Linux, open a terminal and run <em><strong>lspci -vv | grep -i nvme<\/strong><\/em> o <em><strong>lsblk -d -o name,rota,tran.<\/strong><\/em> The&#8221;tran&#8221; column will show&#8221;nvme&#8221; or&#8221;sata&#8221;.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa7cd12 elementor-widget elementor-widget-heading\" data-id=\"fa7cd12\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SSD Type Comparison<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14184e0 elementor-widget elementor-widget-text-editor\" data-id=\"14184e0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table><thead><tr><th>Tipo di SSD<\/th><th>Interface\/Bus<\/th><th>Protocollo<\/th><th>Typical Speed<\/th><\/tr><\/thead><tbody><tr><td>PCIe\u00a0SSD<\/td><td>PCIe 3.0\/4.0\/5.0 x4<\/td><td>NVMe<\/td><td>3,500\u201314,000+ MB\/s<\/td><\/tr><tr><td>SSD SATA<\/td><td>SATA III (6 Gb\/s)<\/td><td>AHCI<\/td><td>500-550 MB\/s<\/td><\/tr><tr><td>USB SSD<\/td><td>USB 3.0\/3.1\/3.2\/4.0<\/td><td>USB Mass Storage<\/td><td>400\u20133,000 MB\/s<\/td><\/tr><tr><td><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"\/it\/news\/what-is-an-msata-ssd-a-compact-retired-storage-solution\/\">SSD mSATA<\/a><\/span><\/td><td>SATA<\/td><td>AHCI<\/td><td>~500 MB\/s<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Non tutte le unit\u00e0 SSD utilizzano PCIe. PCIe \u00e8 un'interfaccia ad alta velocit\u00e0 progettata per le moderne unit\u00e0 SSD ad alte prestazioni, ma molte unit\u00e0 SSD comuni si affidano a connessioni diverse, come i modelli SATA e USB esterni. SSD PCIe significa che l'unit\u00e0 SSD utilizza il bus PCIe come percorso dati, ma non che deve avere un determinato aspetto.<\/p>","protected":false},"author":4,"featured_media":17077,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[347],"tags":[],"class_list":["post-17033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quick-answers"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/posts\/17033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/comments?post=17033"}],"version-history":[{"count":46,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/posts\/17033\/revisions"}],"predecessor-version":[{"id":17080,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/posts\/17033\/revisions\/17080"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/media\/17077"}],"wp:attachment":[{"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/media?parent=17033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/categories?post=17033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oscoo.com\/it\/wp-json\/wp\/v2\/tags?post=17033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}