{"id":25277,"date":"2026-09-08T02:51:56","date_gmt":"2026-09-08T02:51:56","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/"},"modified":"2026-09-08T02:52:03","modified_gmt":"2026-09-08T02:52:03","slug":"sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/","title":{"rendered":"SF550X-48P-K9 Cisco Small Business 48 PoE+ Ethernet Ports Managed Switch"},"content":{"rendered":"<p>SF550X-48P-K9 Technical Specifications<\/p>\n<p>Cisco Small Business 48 PoE+ Ethernet Ports &#038; 2 10-Gigabit SFP+ (Uplink Ports) &#038; 2 Combo 10GBase-T (Uplink Ports) Twisted Pair &#038; Optical Fiber Layer 3 Rack-mountable Managed Switch<\/p>\n<p>Manufacturer: Cisco<\/p>\n<p>Manufacturer Part Number: SF550X-48P-K9<\/p>\n<p>Product Series: 550X<\/p>\n<p>Product Type Layer: 3 Switch<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Total Number of Network Ports: 50<\/p>\n<p>Uplink Port: Yes<\/p>\n<p>Modular: Yes<\/p>\n<p>Stack Port: Yes<\/p>\n<p>Media &#038; Performance<\/p>\n<p>Media Type: Supported Optical Fiber<\/p>\n<p>Media Type: Supported Twisted Pair<\/p>\n<p>Ethernet Technology: Fast Ethernet<\/p>\n<p>Ethernet Technology: 10 Gigabit Ethernet<\/p>\n<p>Network Technology: 10GBase-T<\/p>\n<p>Network Technology: 10\/100Base-T<\/p>\n<p>Network Technology: 10GBase-X<\/p>\n<p>I\/O Expansions<\/p>\n<p>Number of Total Expansion Slots: 4<\/p>\n<p>Expansion Slot Type: SFP+<\/p>\n<p>Shared SFP Slot: Yes<\/p>\n<p>Number of SFP+ Slots: 4<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Layer Supported: 3<\/p>\n<p>Management &#038; Protocols<\/p>\n<p>Manageable: Yes<\/p>\n<p>Power Description<\/p>\n<p>Power Source: Power Supply<\/p>\n<p>Redundant Power Supply Supported: Yes<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SF550X-48P-K9 Overview<\/p>\n<p>Access Control Lists (ACLs) to control access to the network based on IP address, MAC address, and other criteria. This allows you to restrict network access to only authorized devices, which helps to prevent unauthorized access and potential security breaches.<\/p>\n<p>Port security to limit the number of MAC addresses that can be learned on a specific port. This feature helps to prevent MAC address spoofing and other types of unauthorized access.<\/p>\n<p>DHCP snooping to prevent malicious DHCP servers from distributing false IP addresses to clients. This helps to prevent man-in-the-middle attacks and other types of security breaches.<\/p>\n","protected":false},"featured_media":25278,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[2915,332],"product_tag":[751,2959,337,2907,1460,2912],"class_list":["post-25277","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-network-switches-network-switches","product_cat-network-switches","product_tag-10-gigabit-ethernet","product_tag-10gbase-t","product_tag-fast-ethernet","product_tag-optical-fiber","product_tag-rack-mountable","product_tag-twisted-pair","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>SF550X-48P-K9 Cisco Small Business 48 PoE+ Ethernet Ports Managed Switch - 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\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SF550X-48P-K9 Cisco Small Business 48 PoE+ Ethernet Ports Managed Switch - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"SF550X-48P-K9 Overview Access Control Lists (ACLs) to control access to the network based on IP address, MAC address, and other criteria. This allows you to restrict network access to only authorized devices, which helps to prevent unauthorized access and potential security breaches. Port security to limit the number of MAC addresses that can be learned on a specific port. This feature helps to prevent MAC address spoofing and other types of unauthorized access. DHCP snooping to prevent malicious DHCP servers from distributing false IP addresses to clients. 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This helps to prevent man-in-the-middle attacks and other types of security breaches.","og_url":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/","og_site_name":"Geek Tech Sol","article_modified_time":"2026-09-08T02:52:03+00:00","og_image":[{"width":800,"height":800,"url":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-SF550X-48P-K9.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/","url":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/","name":"SF550X-48P-K9 Cisco Small Business 48 PoE+ Ethernet Ports Managed Switch - Geek Tech Sol","isPartOf":{"@id":"https:\/\/geektechsol.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/#primaryimage"},"image":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/#primaryimage"},"thumbnailUrl":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-SF550X-48P-K9.jpg","datePublished":"2026-09-08T02:51:56+00:00","dateModified":"2026-09-08T02:52:03+00:00","breadcrumb":{"@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/#primaryimage","url":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-SF550X-48P-K9.jpg","contentUrl":"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-SF550X-48P-K9.jpg","width":800,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/geektechsol.com\/index.php\/product\/sf550x-48p-k9-cisco-small-business-48-poe-ethernet-ports-managed-switch\/#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":"SF550X-48P-K9 Cisco Small Business 48 PoE+ Ethernet Ports Managed Switch"}]},{"@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"}]}},"_links":{"self":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product\/25277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/comments?post=25277"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/media\/25278"}],"wp:attachment":[{"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/media?parent=25277"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=25277"},{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=25277"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/geektechsol.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=25277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}