{"id":25575,"date":"2026-09-08T02:54:13","date_gmt":"2026-09-08T02:54:13","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\/"},"modified":"2026-09-08T02:54:29","modified_gmt":"2026-09-08T02:54:29","slug":"505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\/","title":{"rendered":"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module"},"content":{"rendered":"<p>505958-B21 Technical Specifications<\/p>\n<p>HP 4x QDR QLogic InfiniBand Switch Module for c-Class BladeSystem<\/p>\n<p>Manufacturer: HP<\/p>\n<p>Manufacture Part Number: 505958-B21<\/p>\n<p>Product Type: InfiniBand Switch Module<\/p>\n<p>Ports: 16 \u00d7 downlink server ports<\/p>\n<p>Uplink: 16 \u00d7 4X QDR InfiniBand ports<\/p>\n<p>Speed: Up to 40Gbps per port<\/p>\n<p>Aggregate Bandwidth: 1.28 Tbps switching capacity<\/p>\n<p>Connector Type: QSFP<\/p>\n<p>Fabric: Non-blocking architecture<\/p>\n<p>Form Factor: BladeSystem c-Class enclosure module<\/p>\n<p>Management: Web GUI, CLI, SNMP<\/p>\n<p>Redundancy: Hot-swappable in c-Class enclosure<\/p>\n<p>Compatibility: HP BladeSystem servers<\/p>\n","protected":false},"excerpt":{"rendered":"<p>505958-B21 Overview<\/p>\n<p>The HP is a high-performance QLogic InfiniBand switch module designed for HP c-Class BladeSystem enclosures. Supporting 4X QDR InfiniBand with speeds up to 40Gbps per port, it provides extremely low latency and high throughput for demanding HPC and enterprise workloads. With 16 downlink and 16 uplink ports, it ensures scalable server-to-server and server-to-storage interconnects. Its non-blocking fabric, hot-swappable design, and centralized management make it ideal for cluster computing, big data, and high-bandwidth enterprise applications.<\/p>\n","protected":false},"featured_media":25576,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[504],"product_cat":[2913,332],"product_tag":[4131,2492,2961,3033],"class_list":["post-25575","product","type-product","status-publish","has-post-thumbnail","product_brand-hp","product_cat-hp-network-switch-network-switches","product_cat-network-switches","product_tag-c-class-enclosure-module","product_tag-hot-swappable","product_tag-snmp","product_tag-switch-module","first","instock","shipping-taxable","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>505958-B21 HP 4x QDR QLogic InfiniBand Switch Module - 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=\"http:\/\/geektechsol.com\/index.php\/product\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"505958-B21 Overview The HP is a high-performance QLogic InfiniBand switch module designed for HP c-Class BladeSystem enclosures. Supporting 4X QDR InfiniBand with speeds up to 40Gbps per port, it provides extremely low latency and high throughput for demanding HPC and enterprise workloads. With 16 downlink and 16 uplink ports, it ensures scalable server-to-server and server-to-storage interconnects. Its non-blocking fabric, hot-swappable design, and centralized management make it ideal for cluster computing, big data, and high-bandwidth enterprise applications.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/geektechsol.com\/index.php\/product\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T02:54:29+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/HP-505958-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\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/\",\"name\":\"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HP-505958-B21.jpg\",\"datePublished\":\"2026-09-08T02:54:13+00:00\",\"dateModified\":\"2026-09-08T02:54:29+00:00\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HP-505958-B21.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/HP-505958-B21.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module\"}]},{\"@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":"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module - 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":"http:\/\/geektechsol.com\/index.php\/product\/505958-b21-hp-4x-qdr-qlogic-infiniband-switch-module\/","og_locale":"en_US","og_type":"article","og_title":"505958-B21 HP 4x QDR QLogic InfiniBand Switch Module - Geek Tech Sol","og_description":"505958-B21 Overview The HP is a high-performance QLogic InfiniBand switch module designed for HP c-Class BladeSystem enclosures. 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