{"id":39618,"date":"2026-09-08T05:13:53","date_gmt":"2026-09-08T05:13:53","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\/"},"modified":"2026-09-08T05:13:54","modified_gmt":"2026-09-08T05:13:54","slug":"351580-b21-hpe-128mb-battery-backed-write-cache-smart-array","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\/","title":{"rendered":"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array"},"content":{"rendered":"<p>351580-B21 Technical Specifications<\/p>\n<p>HPE 128MB Battery Backed Write Cache Smart Array<\/p>\n<p>Manufacturer: HPE<\/p>\n<p>Product Type: Battery Backup<\/p>\n<p>Product Name: Controller<\/p>\n<p>Smart Array 641<\/p>\n<p>Smart Array 642<\/p>\n<p>Smart Array 6i<\/p>\n<p>Smart Array e200<\/p>\n","protected":false},"excerpt":{"rendered":"<p>351580-B21 Overview<\/p>\n<p>The HPE is a Battery Backed Write Cache designed to work seamlessly with Smart Array controllers, specifically models 641, 642, 6i, and e200. This cache module is equipped with 128 Megabytes (MB) of capacity, providing a dedicated space to temporarily store write data before it is permanently committed to the storage drives.<\/p>\n","protected":false},"featured_media":39619,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[1318],"product_cat":[680,5445],"product_tag":[682,356],"class_list":["post-39618","product","type-product","status-publish","has-post-thumbnail","product_brand-hpe","product_cat-controllers","product_cat-hpe-controllers","product_tag-controller-card","product_tag-pci-express","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>351580-B21 HPE 128MB Battery Backed Write Cache Smart Array - 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\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"351580-B21 Overview The HPE is a Battery Backed Write Cache designed to work seamlessly with Smart Array controllers, specifically models 641, 642, 6i, and e200. This cache module is equipped with 128 Megabytes (MB) of capacity, providing a dedicated space to temporarily store write data before it is permanently committed to the storage drives.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T05:13:54+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/HPE-351580-B21.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\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/\",\"name\":\"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-351580-B21.jpg\",\"datePublished\":\"2026-09-08T05:13:53+00:00\",\"dateModified\":\"2026-09-08T05:13:54+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-351580-B21.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HPE-351580-B21.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array\"}]},{\"@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":"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array - 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\/351580-b21-hpe-128mb-battery-backed-write-cache-smart-array\/","og_locale":"en_US","og_type":"article","og_title":"351580-B21 HPE 128MB Battery Backed Write Cache Smart Array - Geek Tech Sol","og_description":"351580-B21 Overview The HPE is a Battery Backed Write Cache designed to work seamlessly with Smart Array controllers, specifically models 641, 642, 6i, and e200. 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