{"id":6409,"date":"2026-01-13T12:02:08","date_gmt":"2026-01-13T12:02:08","guid":{"rendered":"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/"},"modified":"2026-01-16T22:58:18","modified_gmt":"2026-01-16T22:58:18","password":"","slug":"why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values","status":"publish","type":"docs","link":"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/","title":{"rendered":"Why does imaging the same SSD\/eMMC drives yield diverse hash values?"},"content":{"rendered":"<p>It is normal to find that if you image this type of solid state storage media repeatedly the acquisition hash will be different on each image. This is due to the low level firmware activity relating to wear leveling, garbage collection and trim functionality. This is discussed in many scientific papers <a href=\"http:\/\/eprints.mdx.ac.uk\/20792\/1\/mitchell_et_al_1.pdf\" target=\"_blank\" rel=\"nofollow noopener\">here<\/a> is a link to one of them.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is normal to find that if you image this type of solid state storage media repeatedly the acquisition hash will be different on each image. This is due to the low level firmware activity relating to wear leveling, garbage collection and trim functionality. This is discussed in many scientific papers here is a link&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"content-type":"","footnotes":""},"doc_category":[59],"doc_tag":[],"class_list":["post-6409","docs","type-docs","status-publish","hentry","doc_category-imaging"],"year_month":"2026-04","word_count":60,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"Sybil Mayard","author_nicename":"infosybiltec-com","author_url":"https:\/\/adfsolutions.com\/author\/infosybiltec-com\/"},"doc_category_info":[{"term_name":"Imaging","term_url":"https:\/\/adfsolutions.com\/knowledge\/imaging\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why does imaging the same SSD\/eMMC drives yield diverse hash values? - ADF Solutions<\/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:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why does imaging the same SSD\/eMMC drives yield diverse hash values? - ADF Solutions\" \/>\n<meta property=\"og:description\" content=\"It is normal to find that if you image this type of solid state storage media repeatedly the acquisition hash will be different on each image. This is due to the low level firmware activity relating to wear leveling, garbage collection and trim functionality. This is discussed in many scientific papers here is a link...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/\" \/>\n<meta property=\"og:site_name\" content=\"ADF Solutions\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/adfsolutions\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-16T22:58:18+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@adfsolutions\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/\",\"url\":\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/\",\"name\":\"Why does imaging the same SSD\/eMMC drives yield diverse hash values? - ADF Solutions\",\"isPartOf\":{\"@id\":\"https:\/\/adfsolutions.com\/#website\"},\"datePublished\":\"2026-01-13T12:02:08+00:00\",\"dateModified\":\"2026-01-16T22:58:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/adfsolutions.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knowledge Base\",\"item\":\"https:\/\/adfsolutions.com\/knowledge\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Why does imaging the same SSD\/eMMC drives yield diverse hash values?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/adfsolutions.com\/#website\",\"url\":\"https:\/\/adfsolutions.com\/\",\"name\":\"ADF Solutions\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/adfsolutions.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/adfsolutions.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/adfsolutions.com\/#organization\",\"name\":\"ADF Solutions\",\"url\":\"https:\/\/adfsolutions.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/adfsolutions.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/adfsolutions.com\/wp-content\/uploads\/2026\/01\/favicon.png\",\"contentUrl\":\"https:\/\/adfsolutions.com\/wp-content\/uploads\/2026\/01\/favicon.png\",\"width\":512,\"height\":512,\"caption\":\"ADF Solutions\"},\"image\":{\"@id\":\"https:\/\/adfsolutions.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/adfsolutions\",\"https:\/\/x.com\/adfsolutions\",\"https:\/\/www.linkedin.com\/company\/adf-solutions\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why does imaging the same SSD\/eMMC drives yield diverse hash values? - ADF Solutions","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/adfsolutions.com\/knowledge\/why-does-imaging-the-same-ssd-emmc-drives-yield-diverse-hash-values\/","og_locale":"en_US","og_type":"article","og_title":"Why does imaging the same SSD\/eMMC drives yield diverse hash values? - ADF Solutions","og_description":"It is normal to find that if you image this type of solid state storage media repeatedly the acquisition hash will be different on each image. This is due to the low level firmware activity relating to wear leveling, garbage collection and trim functionality. 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