{"id":25467,"date":"2026-09-08T02:53:34","date_gmt":"2026-09-08T02:53:34","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\/"},"modified":"2026-09-08T02:53:37","modified_gmt":"2026-09-08T02:53:37","slug":"sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\/","title":{"rendered":"SG550X-48P-K9 Cisco Small Business SG550X-48P 48-Ports 10\/100\/1000Base-T Layer 3 Switch"},"content":{"rendered":"<p>SG550X-48P-K9 Technical Specifications<\/p>\n<p>Cisco Small Business SG550X-48P 48-Ports 10\/100\/1000Base-T 1Gbps PoE+ Managed Layer 3 Rack-mountable with combo 10 Gigabit SFP+ Switch<\/p>\n<p>Manufacturer: Cisco<\/p>\n<p>Manufacturer Part Number: SG550X-48P-K9<\/p>\n<p>Series: Small Business 550X<\/p>\n<p>Type: Managed Stackable Gigabit PoE+ Switch<\/p>\n<p>Ports: 48 x 10\/100\/1000 RJ-45 Gigabit Ethernet<\/p>\n<p>Uplink Ports: 4 x 10 Gigabit SFP+ (combo)<\/p>\n<p>PoE Support: Yes, PoE+ (IEEE 802.3af\/at)<\/p>\n<p>PoE Power Budget: Up to 740W total<\/p>\n<p>Switching Capacity: 176 Gbps<\/p>\n<p>Forwarding Rate: 130.95 Mpps<\/p>\n<p>Layer Support: Layer 2 switching + Layer 3 static\/dynamic routing<\/p>\n<p>Stacking Support: Yes, up to 8 units, 80 Gbps stack bandwidth<\/p>\n<p>Management: Web GUI, CLI, SNMP, RMON<\/p>\n<p>VLAN Support: Up to 4096 VLANs<\/p>\n<p>QoS: Advanced traffic prioritization, 8 hardware queues<\/p>\n<p>Security: 802.1X authentication, ACLs, DHCP snooping, DoS prevention<\/p>\n<p>MAC Address Table: 32K entries<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SG550X-48P-K9 Overview<\/p>\n<p>The Cisco SG550X-48P-K9 is a 48-port Gigabit Ethernet PoE+ Layer 3 managed switch from the Cisco Small Business 550X Series, engineered for scalable, secure, and high-performance business networks. It comes with 48 x 10\/100\/1000Base-T RJ-45 Gigabit Ethernet ports, each supporting PoE+ (Power over Ethernet Plus), allowing the switch to power connected devices such as VoIP phones, wireless access points, IP surveillance cameras, and other networked endpoints directly through the Ethernet cable, eliminating the need for separate power adapters.In addition to its Gigabit access ports, the switch is equipped with 4 x 10 Gigabit SFP+ combo uplink ports, enabling high-speed fiber uplinks and stacking.<\/p>\n","protected":false},"featured_media":25468,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[2915,332],"product_tag":[3551,2948,363,2909,2942],"class_list":["post-25467","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-network-switches-network-switches","product_cat-network-switches","product_tag-1gbps","product_tag-48-ports","product_tag-cisco","product_tag-sfp","product_tag-switch","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>SG550X-48P-K9 Cisco Small Business SG550X-48P 48-Ports 10\/100\/1000Base-T Layer 3 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\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SG550X-48P-K9 Cisco Small Business SG550X-48P 48-Ports 10\/100\/1000Base-T Layer 3 Switch - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"SG550X-48P-K9 Overview The Cisco SG550X-48P-K9 is a 48-port Gigabit Ethernet PoE+ Layer 3 managed switch from the Cisco Small Business 550X Series, engineered for scalable, secure, and high-performance business networks. It comes with 48 x 10\/100\/1000Base-T RJ-45 Gigabit Ethernet ports, each supporting PoE+ (Power over Ethernet Plus), allowing the switch to power connected devices such as VoIP phones, wireless access points, IP surveillance cameras, and other networked endpoints directly through the Ethernet cable, eliminating the need for separate power adapters.In addition to its Gigabit access ports, the switch is equipped with 4 x 10 Gigabit SFP+ combo uplink ports, enabling high-speed fiber uplinks and stacking.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T02:53:37+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-SG550X-48P-K9.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\\\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/sg550x-48p-k9-cisco-small-business-sg550x-48p-48-ports-10-100-1000base-t-layer-3-switch\\\/\",\"name\":\"SG550X-48P-K9 Cisco Small Business SG550X-48P 48-Ports 10\\\/100\\\/1000Base-T Layer 3 Switch - 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