{"id":44991,"date":"2026-09-08T06:16:15","date_gmt":"2026-09-08T06:16:15","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\/"},"modified":"2026-09-08T06:16:43","modified_gmt":"2026-09-08T06:16:43","slug":"81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\/","title":{"rendered":"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8"},"content":{"rendered":"<p>81Y1537-AO Technical Specifications<\/p>\n<p>AddOn 81Y1537 IBM Dual QSFP+ PCIE X8<\/p>\n<p>Manufacturer Part Number: 81Y1537-AO<\/p>\n<p>Product Type: 40Gigabit Ethernet Card<\/p>\n<p>Total Number of Ports: 2<\/p>\n<p>Expansion Slot Type; QSFP+<\/p>\n<p>Form Factor: Plug-in Card<\/p>\n<p>Network Technology: 40GBase-X<\/p>\n<p>Device Supported: Server<\/p>\n<p>Host Interface: PCI Express x8<\/p>\n<p>Media Type Supported: Optical Fiber<\/p>\n<p>Height: 8\u2033<\/p>\n<p>Width: 4\u2033<\/p>\n<p>Depth; 2\u2033<\/p>\n<p>Product Model: 81Y1537<\/p>\n","protected":false},"excerpt":{"rendered":"<p>81Y1537-AO Overview<\/p>\n<p>This is a IBM\u00ae 81Y1537 comparable 40 Gigabit Ethernet PCIEx8 network interface card with dual QSFP ports that complies with all IEEE 802.3 standards. It is based on an Intel XL710 chipset and is compatible with most Windows and Unix-like operating systems. Providing 40Gbs of network speeds it fully supports high-end servers and many other networking applications. In addition, this card supports high level VLAN filtering. The 2 QSFP port connectivity allows for ease of network integration. Our network interface cards are 100% compliant and tested and offer a cost effective answer for all of your networking needs. With our certification test program, we guarantee your product will work right the first time.<\/p>\n","protected":false},"featured_media":44992,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[1082],"product_cat":[7300,680],"product_tag":[7252,682,356],"class_list":["post-44991","product","type-product","status-publish","has-post-thumbnail","product_brand-addon","product_cat-addon-controllers","product_cat-controllers","product_tag-40gigabit-ethernet-card","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>81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8 - 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\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8 - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"81Y1537-AO Overview This is a IBM\u00ae 81Y1537 comparable 40 Gigabit Ethernet PCIEx8 network interface card with dual QSFP ports that complies with all IEEE 802.3 standards. It is based on an Intel XL710 chipset and is compatible with most Windows and Unix-like operating systems. Providing 40Gbs of network speeds it fully supports high-end servers and many other networking applications. In addition, this card supports high level VLAN filtering. The 2 QSFP port connectivity allows for ease of network integration. Our network interface cards are 100% compliant and tested and offer a cost effective answer for all of your networking needs. With our certification test program, we guarantee your product will work right the first time.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T06:16:43+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/AddOn-81Y1537-AO.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\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/\",\"name\":\"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8 - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/AddOn-81Y1537-AO.jpg\",\"datePublished\":\"2026-09-08T06:16:15+00:00\",\"dateModified\":\"2026-09-08T06:16:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/AddOn-81Y1537-AO.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/AddOn-81Y1537-AO.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\\\/#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\":\"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8\"}]},{\"@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":"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8 - 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\/81y1537-ao-addon-81y1537-ibm-dual-qsfp-pcie-x8\/","og_locale":"en_US","og_type":"article","og_title":"81Y1537-AO AddOn 81Y1537 IBM Dual QSFP+ PCIE X8 - Geek Tech Sol","og_description":"81Y1537-AO Overview This is a IBM\u00ae 81Y1537 comparable 40 Gigabit Ethernet PCIEx8 network interface card with dual QSFP ports that complies with all IEEE 802.3 standards. 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