{"id":47569,"date":"2019-04-24T22:03:49","date_gmt":"2019-04-25T05:03:49","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=47569"},"modified":"2026-02-25T05:51:48","modified_gmt":"2026-02-25T13:51:48","slug":"how-can-wear-leveling-extend-the-life-of-ssd","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/zh-hk\/blog\/how-can-wear-leveling-extend-the-life-of-ssd\/","title":{"rendered":"How Can Wear Leveling Extend the Life of an SSD?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid wpex-relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"font-weight: 400;\">What is an SSD?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A Solid-State Drive (SSD) is one of the most popular, fast and energy efficient solution<\/span><span style=\"font-weight: 400;\">s<\/span><span style=\"font-weight: 400;\"> for storing and sharing information. Flash controller and NAND flash memory are two things that make up an SSD. The primary goal of SSD is to provide high performance of reading and writing for random and sequential data requests.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Unlike the HDD, SSD has no moving parts. <\/span><span style=\"font-weight: 400;\">An ordinary HDD consists of spinning platters that have data read and written to from an actuator that holds magnetic heads<\/span><span style=\"font-weight: 400;\">. HDD writes as well as reads data magnetically. H<\/span><span style=\"font-weight: 400;\">owever, the magnetic properties coupled with the spinning platters can lead to mechanical failures.<\/span><span style=\"font-weight: 400;\"> Unlike HDD, the solid-state drive writes and reads data to flash memory chips that are made of silicon. SSDs are made by way of stacking chips in a grid to get different densities. Thanks to FGT (floating gate transistors), <\/span><span style=\"font-weight: 400;\">Nand flash memory is non-volatile so it can hold data even if the power source is turned off or disconnected.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"font-weight: 400;\">What are SSDs Used for?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In comparison with fixed disks, SSDs provide much faster storage as well as the other performance benefits. By offering lower latency than HDDs solid-state drives can perform heavy read and random workloads. Because of its low latency, SSDs can read data immediately as well as directly from a particular flash SSD cell location.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3><span style=\"font-weight: 400;\">Functions of a modern SSD:<\/span><\/h3>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vcex-module vcex-bullets vcex-bullets--vertical vcex-bullets-red\">\n<ul role=\"list\">\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">TRIM<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Read, write and cache<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Error-Correcting Code (ECC)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Advanced Encryption Standard (AES)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Possibility of S.M.A.R.T monitoring<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Marking and recording non-working blocks and adding them to the blacklist<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Data compressing <\/span><\/li>\n<li><\/li>\n<\/ul>\n<\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h3><span style=\"font-weight: 400;\">The advantages of SSDs in comparison with HDDs:<\/span><\/h3>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vcex-module vcex-bullets vcex-bullets--vertical vcex-bullets-red\">\n<ul role=\"list\">\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Turn on instantly and do not require promotion<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Significantly higher random access speed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Significantly higher access speed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Data transfer rate is much higher<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">No defragmentation of the file system is necessary<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Silent, as they have no mechanical parts<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Do not create vibrations<\/span><\/li>\n<\/ul>\n<\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"font-weight: 400;\">How Long Do SSDs Last?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Pay attention to the various types of SSD storage: Single-Level Cell (SLC), Multi-Level Cell (MLC) and Triple<\/span> <span style=\"font-weight: 400;\">Level Cell (TLC). SLC saves one bit per storage cell, MLC &#8211; two bits per cell and TLC &#8211; three bits per cell. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">The more data per cell saved, the higher the need for the wear level. Storage types can be linked to writing cycles. The <\/span><span style=\"font-weight: 400;\">\u00a0lifetime of <\/span><span style=\"font-weight: 400;\">Multi-Level Cell (MLC) is <\/span><span style=\"font-weight: 400;\">about <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Multi-level_cell\"><span style=\"font-weight: 400;\">1,000 to 10,000 program\/erase cycles<\/span><\/a><span style=\"font-weight: 400;\">. In comparison to ordinary HDDs, the mechanism of SSD does not degrade when only reading data. This means that when just reading data, the mechanics of SSD will not wear out. Thus, it depends on deleting as well as writing processes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u7684 <\/span><b>average<\/b> <b>SSD lifespan<\/b><span style=\"font-weight: 400;\"> depends on its storage cells. The more storage cells it has, the longer its lifespan. Having a vast storage space, the storage cells can serve much longer as they often do not require to be rewritten.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Thanks to wear leveling, SSD has made a big step towards more effectiveness, robustness, and reliability.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"font-weight: 400;\">What Is Wear Leveling?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SSD is not able to reach its optimal lifespan without wear leveling to make sure that all the drive\u2019s memory chips (store data in blocks) are used up before the first cell will be written again. It also means the larger the SSD\u2019s capacity, the longer the lifespan.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Without wear lev<\/span><span style=\"font-weight: 400;\">eling, your SSD can fail <\/span><span style=\"font-weight: 400;\">much sooner than you want<\/span><span style=\"font-weight: 400;\">. The reason is Single Level Cell (SLC) and Flas<\/span><span style=\"font-weight: 400;\">h NAND cells of an SSD are rated at between <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Flash_memory\"><span style=\"font-weight: 400;\">10,000 or 100,000 erase cycles, up to 1,000,000 program\/erase <\/span><\/a><span style=\"font-weight: 400;\">cycles. Each of them performs a certain amount of write as well as read operations. Flash controller assigns logical addresses from the operating system to the physical addresses of the Flash memory. Every new write is read, erased, modified and rewritten to the first location. It means that storage spaces are frequently used and as a result, are worn out faster. In case a couple of blocks are at the end of their lifespan, your SSD may become inoperable, which will lead to data loss. Thanks to wear leveling, data is arranged so that its program \/ erase cycles are evenly distributed among all of the blocks in the device.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"font-weight: 400;\">Dynamic VS Static Wear Leveling<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Dynamic <\/span><b>SSD wear leveling<\/b><span style=\"font-weight: 400;\"> polls erased blocks and <\/span><span style=\"font-weight: 400;\">chooses the block which has the<\/span><span style=\"font-weight: 400;\"> lowest erase count for the next write. The one disadvantage of dynamic <\/span><b>SSD wear leveling<\/b><span style=\"font-weight: 400;\"> is that in case the block holds the data that is not accessed it will never be removed to the other block. It limits the number of blocks that may undergo wear leveling.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The work of static wear leveling is mostly the same as the one of dynamic wear leveling. However, it guarantees that the static data blocks are moved when their block erase count is lower than a certain threshold. It may reduce write performance due to flash controller overhead. However, in comparison with dynamic wear leveling, static wear leveling is more efficient as it more effectively extends the lifespan of SSDs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SSD is a storage device that is necessary to optimize. Wear leveling is the best solution to achieve this, as it is one of the most essential as well as efficient technologies to expand the lifetime of your SSD.<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"What is an SSD? A Solid-State Drive (SSD) is one of the most popular, fast and energy efficient solutions for storing and sharing information. Flash controller and NAND flash memory are two things that make up an SSD. The primary goal of SSD is to provide high performance of reading and writing for random and&hellip;","protected":false},"author":25,"featured_media":47570,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[264],"tags":[284],"post_series":[],"class_list":["post-47569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ssd","entry","has-media"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How Can Wear Leveling Extend the Life of an SSD?<\/title>\n<meta name=\"description\" content=\"It is impossible to reach optimal SSD lifespan without wear leveling. Moreover, without wear leveling, your SSD can fail. Why? Click here to read.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/drivesaversdatarecovery.com\/zh-hk\/blog\/how-can-wear-leveling-extend-the-life-of-ssd\/\" \/>\n<meta property=\"og:locale\" content=\"zh_HK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Can Wear Leveling Extend the Life of an SSD?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drivesaversdatarecovery.com\/zh-hk\/blog\/how-can-wear-leveling-extend-the-life-of-ssd\/\" \/>\n<meta property=\"og:site_name\" content=\"DriveSavers Data Recovery Services\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DriveSavers\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-25T05:03:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T13:51:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2019\/04\/data-storage-319844_1280-scaled-e1698490075999.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1046\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mike Cobb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:site\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mike Cobb\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u8a08\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/\"},\"author\":{\"name\":\"Mike Cobb\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#\\\/schema\\\/person\\\/71a038c3b180b1f2df821d2b015b8ee6\"},\"headline\":\"How Can Wear Leveling Extend the Life of an SSD?\",\"datePublished\":\"2019-04-25T05:03:49+00:00\",\"dateModified\":\"2026-02-25T13:51:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/\"},\"wordCount\":942,\"publisher\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2019\\\/04\\\/data-storage-319844_1280-scaled-e1698490075999.jpg\",\"keywords\":[\"SSD\"],\"articleSection\":[\"DriveSavers Blog\"],\"inLanguage\":\"zh-HK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/\",\"url\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/\",\"name\":\"How Can Wear Leveling Extend the Life of an SSD?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/how-can-wear-leveling-extend-the-life-of-ssd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2019\\\/04\\\/data-storage-319844_1280-scaled-e1698490075999.jpg\",\"datePublished\":\"2019-04-25T05:03:49+00:00\",\"dateModified\":\"2026-02-25T13:51:48+00:00\",\"description\":\"It is impossible to reach optimal SSD lifespan without wear leveling. 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