{"id":1206,"date":"2026-05-13T03:35:34","date_gmt":"2026-05-13T03:35:34","guid":{"rendered":"https:\/\/edk-tech.net\/?post_type=glossary&#038;p=1206"},"modified":"2026-05-13T03:56:45","modified_gmt":"2026-05-13T03:56:45","slug":"secure-digital-card-sd-card","status":"publish","type":"glossary","link":"https:\/\/edk-tech.net\/?glossary=secure-digital-card-sd-card","title":{"rendered":"Secure Digital (SD)"},"content":{"rendered":"\n<p>A removable flash memory card format used in cameras, mobile devices, embedded systems, and portable electronics. SD cards are defined by the SD Association and categorized by capacity, bus interface, and speed class.<\/p>\n\n\n\n<p><strong>Capacity Classes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SD:<\/strong> Up to 2 GB<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/edk-tech.net\/?glossary=secure-digital-card-sd-card\"\r\n                    class=\"yaw-glossary yaw-glossary-abbr-link\"\r\n                    title=\"Secure Digital (SD)\"\r\n                    data-bs-toggle=\"popover\"\r\n                    data-bs-html=\"true\"\r\n                    data-bs-trigger=\"hover focus\"\r\n                    data-bs-content=\"&lt;p&gt;A removable flash memory card format used in cameras, mobile devices, embedded systems, and portable electronics. SD cards are defined by the SD Association and categorized by capacity, bus interface, and speed class. Capacity Classes: SD: Up to 2 GB&hellip;&lt;\/p&gt;\n\">SDHC<\/a>:<\/strong> >2 GB to 32 GB<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/edk-tech.net\/?glossary=secure-digital-card-sd-card\"\r\n                    class=\"yaw-glossary yaw-glossary-abbr-link\"\r\n                    title=\"Secure Digital (SD)\"\r\n                    data-bs-toggle=\"popover\"\r\n                    data-bs-html=\"true\"\r\n                    data-bs-trigger=\"hover focus\"\r\n                    data-bs-content=\"&lt;p&gt;A removable flash memory card format used in cameras, mobile devices, embedded systems, and portable electronics. SD cards are defined by the SD Association and categorized by capacity, bus interface, and speed class. Capacity Classes: SD: Up to 2 GB&hellip;&lt;\/p&gt;\n\">SDXC<\/a>:<\/strong> >32 GB to 2 TB<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/edk-tech.net\/?glossary=secure-digital-card-sd-card\"\r\n                    class=\"yaw-glossary yaw-glossary-abbr-link\"\r\n                    title=\"Secure Digital (SD)\"\r\n                    data-bs-toggle=\"popover\"\r\n                    data-bs-html=\"true\"\r\n                    data-bs-trigger=\"hover focus\"\r\n                    data-bs-content=\"&lt;p&gt;A removable flash memory card format used in cameras, mobile devices, embedded systems, and portable electronics. SD cards are defined by the SD Association and categorized by capacity, bus interface, and speed class. Capacity Classes: SD: Up to 2 GB&hellip;&lt;\/p&gt;\n\">SDUC<\/a>:<\/strong> >2 TB to 128 TB<\/li>\n<\/ul>\n\n\n\n<p><strong>Speed Classes:<\/strong> C2\u2013C10, U1\u2013U3, V6\u2013V90, E150\u2013E600<\/p>\n\n\n\n<p><strong>Bus Interfaces:<\/strong> Default, High\u2011Speed, UHS\u2011I\/II\/III, SD Express<\/p>\n\n\n\n<p>SD cards are widely used for photography, video recording, mobile apps, and embedded storage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A removable flash memory card format used in cameras, mobile devices, embedded systems, and portable electronics. SD cards are defined by the SD Association and categorized by capacity, bus interface, and speed class. Capacity Classes: Speed Classes: C2\u2013C10, U1\u2013U3, V6\u2013V90, E150\u2013E600 Bus Interfaces: Default, High\u2011Speed, UHS\u2011I\/II\/III, SD Express SD cards are widely used for photography, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","format":"standard","class_list":["post-1206","glossary","type-glossary","status-publish","format-standard"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/glossary\/1206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"version-history":[{"count":2,"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/glossary\/1206\/revisions"}],"predecessor-version":[{"id":1210,"href":"https:\/\/edk-tech.net\/index.php?rest_route=\/wp\/v2\/glossary\/1206\/revisions\/1210"}],"wp:attachment":[{"href":"https:\/\/edk-tech.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}