{"id":8401,"date":"2026-09-08T00:54:04","date_gmt":"2026-09-08T00:54:04","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\/"},"modified":"2026-09-08T00:54:15","modified_gmt":"2026-09-08T00:54:15","slug":"p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\/","title":{"rendered":"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive"},"content":{"rendered":"<p>P21125-K21 Technical Specifications<\/p>\n<p>HPE 400GB SAS 12Gbps Write Intensive 2.5-inch Internal Solid State Drive (SSD) with Smart Carrier<\/p>\n<p>Manufacturer: HPE<\/p>\n<p>Manufacture Part Number: P21125-K21<\/p>\n<p>Storage Capacity: 400GB<\/p>\n<p>Drive Type: Internal Solid State Drive (SSD)<\/p>\n<p>Form Factor: 2.5\u2011inch SFF<\/p>\n<p>Interface: SAS 12Gbps (Dual\u2011Port)<\/p>\n<p>Usage Type: Write Intensive<\/p>\n<p>Connector Type: SAS Dual\u2011Port<\/p>\n<p>Carrier Type: Smart Carrier Included<\/p>\n<p>Flash Type: Enterprise\u2011Grade NAND<\/p>\n<p>Protocol: SAS<\/p>\n<p>Hot Plug Support: Yes<\/p>\n","protected":false},"excerpt":{"rendered":"<p>P21125-K21 Overview<\/p>\n<p>The HPE P21125\u2011K21 is a 400GB enterprise SAS SSD engineered for demanding write\u2011intensive workloads in server and data center environments. Featuring a SAS 12Gbps dual\u2011port interface, this drive provides high throughput with redundancy and fault tolerance, which are essential for mission\u2011critical systems that must remain highly available. Its write\u2011intensive classification indicates optimization for frequent, sustained write operations, making it ideal for applications such as transactional databases, high\u2011speed logging, caching layers, data ingestion engines, and other write\u2011dominant enterprise workloads.The drive\u2019s 2.5\u2011inch Small Form Factor (SFF) ensures broad compatibility with HPE enterprise server platforms and storage arrays.<\/p>\n","protected":false},"featured_media":8402,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[1318],"product_cat":[559,256],"product_tag":[1508,1510,1509,1199],"class_list":["post-8401","product","type-product","status-publish","has-post-thumbnail","product_brand-hpe","product_cat-hpe-storage-devices-storage-devices","product_cat-storage-devices","product_tag-enterprise-grade-nand","product_tag-sas-dual-port","product_tag-smart-carrier-included","product_tag-solid-state-drive","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive - Geek Tech Sol<\/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:\/\/geektechsol.com\/index.php\/product\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"P21125-K21 Overview The HPE P21125\u2011K21 is a 400GB enterprise SAS SSD engineered for demanding write\u2011intensive workloads in server and data center environments. Featuring a SAS 12Gbps dual\u2011port interface, this drive provides high throughput with redundancy and fault tolerance, which are essential for mission\u2011critical systems that must remain highly available. Its write\u2011intensive classification indicates optimization for frequent, sustained write operations, making it ideal for applications such as transactional databases, high\u2011speed logging, caching layers, data ingestion engines, and other write\u2011dominant enterprise workloads.The drive\u2019s 2.5\u2011inch Small Form Factor (SFF) ensures broad compatibility with HPE enterprise server platforms and storage arrays.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T00:54:15+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/HPE-P21125-K21.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/\",\"name\":\"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-P21125-K21.jpg\",\"datePublished\":\"2026-09-08T00:54:04+00:00\",\"dateModified\":\"2026-09-08T00:54:15+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-P21125-K21.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-P21125-K21.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ssdpf2ke064t11z-solidigm-6-4tb-pci-e-nvme-solid-state-drive-ssd\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/\",\"name\":\"Geek Tech Sol\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geektechsol.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive - Geek Tech Sol","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:\/\/geektechsol.com\/index.php\/product\/p21125-k21-hpe-400gb-sas-12gbps-write-intensive-solid-state-drive\/","og_locale":"en_US","og_type":"article","og_title":"P21125-K21 HPE 400GB SAS 12Gbps Write Intensive Solid State Drive - Geek Tech Sol","og_description":"P21125-K21 Overview The HPE P21125\u2011K21 is a 400GB enterprise SAS SSD engineered for demanding write\u2011intensive workloads in server and data center environments. 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