{"id":43727,"date":"2026-09-08T05:58:52","date_gmt":"2026-09-08T05:58:52","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\/"},"modified":"2026-09-08T05:59:23","modified_gmt":"2026-09-08T05:59:23","slug":"fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\/","title":{"rendered":"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet"},"content":{"rendered":"<p>FS4K-10G-NIC Technical Specifications<\/p>\n<p>Cisco FireSIGHT X520-DA2 Network Adapter PCIe 2.0 x8 10Gb Ethernet \/ FCoE SFP+ x 2<\/p>\n<p>Brand: Cisco<\/p>\n<p>Manufacture Part Number: FS4K-10G-NIC<\/p>\n<p>Product Line: Cisco FireSIGHT<\/p>\n<p>Model: X520-DA2<\/p>\n<p>Manufacturer: CISCO DS HARDWARE DIRECT<\/p>\n<p>Processor<\/p>\n<p>Processor Brand: Intel<\/p>\n<p>Processor Type: 82599ES<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Connectivity Technology: Wired<\/p>\n<p>Data Link Protocols: 10 Gigabit Ethernet, Fibre Channel over Ethernet (FCoE)<\/p>\n<p>Data Transfer Rate: 10 GBps<\/p>\n<p>Form Factor: Plug-in card<\/p>\n<p>Host Interface: PCI Express 2.0 x8<\/p>\n<p>Network Standard: IPSec, iSCSI, TCP\/IP, UDP\/IP<\/p>\n<p>Product Type: Network adapter<\/p>\n<p>Remote Management: RMON, SNMP<\/p>\n<p>Status Indicators: Link\/activity, Port transmission speed<\/p>\n<p>Connectivity<\/p>\n<p>Interface Provided: 2 x 10Gb Ethernet \/ FCoE \u2013 SFP+<\/p>\n<p>Port Quantity: 2<\/p>\n<p>Network &#038; Adapter Ports: 10Gb Ethernet \/ Fibre Channel over Ethernet (FCoE) SFP+<\/p>\n<p>Product Information<\/p>\n<p>Packaged Quantity: 1<\/p>\n<p>Service Activation: No<\/p>\n<p>Certifications &#038; Listings<\/p>\n<p>ENERGY STAR Certified: No<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FS4K-10G-NIC Overview<\/p>\n<p>Ethernet X520 Server Adapters are the most flexible and scalable Ethernet adapters for today\u2019s demanding data center environments. Data center networks are being pushed to their limits. The escalating deployments of servers with multi-core processors and demanding applications such as High Performance Computing (HPC), database clusters, and video-on-demand are driving the need for 10 Gigabit connections. Customers require flexible and scalable I\/O solutions to meet the rigorous requirements of running mission-critical applications in virtualized and unified storage environments.<\/p>\n","protected":false},"featured_media":43728,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[4837,680],"product_tag":[751,682,356],"class_list":["post-43727","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-controller","product_cat-controllers","product_tag-10-gigabit-ethernet","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>FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet - 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\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"FS4K-10G-NIC Overview Ethernet X520 Server Adapters are the most flexible and scalable Ethernet adapters for today\u2019s demanding data center environments. Data center networks are being pushed to their limits. The escalating deployments of servers with multi-core processors and demanding applications such as High Performance Computing (HPC), database clusters, and video-on-demand are driving the need for 10 Gigabit connections. Customers require flexible and scalable I\/O solutions to meet the rigorous requirements of running mission-critical applications in virtualized and unified storage environments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T05:59:23+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-FS4K-10G-NIC.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<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/\",\"name\":\"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-FS4K-10G-NIC.jpg\",\"datePublished\":\"2026-09-08T05:58:52+00:00\",\"dateModified\":\"2026-09-08T05:59:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-FS4K-10G-NIC.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-FS4K-10G-NIC.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\\\/#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\":\"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet\"}]},{\"@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":"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet - 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\/fs4k-10g-nic-cisco-firesight-x520-da2-network-adapter-pcie-10gb-ethernet\/","og_locale":"en_US","og_type":"article","og_title":"FS4K-10G-NIC Cisco FireSIGHT X520-DA2 Network Adapter PCIe 10Gb Ethernet - Geek Tech Sol","og_description":"FS4K-10G-NIC Overview Ethernet X520 Server Adapters are the most flexible and scalable Ethernet adapters for today\u2019s demanding data center environments. 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