{"id":86285,"date":"2026-09-08T17:01:42","date_gmt":"2026-09-08T17:01:42","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/refurbished-isr4331-v-k9-cisco-4331-router-3-ports\/"},"modified":"2026-09-08T17:02:01","modified_gmt":"2026-09-08T17:02:01","slug":"refurbished-isr4331-v-k9-cisco-4331-router-3-ports","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/refurbished-isr4331-v-k9-cisco-4331-router-3-ports\/","title":{"rendered":"Refurbished ISR4331-V\/K9, Cisco 4331 Router, 3 Ports"},"content":{"rendered":"<p>Refurbished ISR4331-V\/K9 Technical Specifications<\/p>\n<p>Cisco 4331 Router \u2013 3 Ports \u2013 Management Port \u2013 6 Slots \u2013 Gigabit Ethernet \u2013 1U \u2013 Rack-mountable, Wall Mountable<\/p>\n<p>General Information<\/p>\n<p>Manufacturer Cisco Systems, Inc<\/p>\n<p>Manufacturer Part Number ISR4331-V\/K9<\/p>\n<p>Brand Name Cisco<\/p>\n<p>Product Line Cisco ISR<\/p>\n<p>Product Series ISR 4000<\/p>\n<p>Product Model ISR4331<\/p>\n<p>Ethernet Technology: Gigabit Ethernet<\/p>\n<p>Product Name 4331 Router<\/p>\n<p>Product Type Router<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Total Number of Ports 3<\/p>\n<p>USB Yes<\/p>\n<p>Powerline No<\/p>\n<p>Management Port Yes<\/p>\n<p>Token Ring Port No<\/p>\n<p>Number of Network (RJ-45) Ports 3<\/p>\n<p>I\/O Expansions<\/p>\n<p>Number of Total Expansion Slots 6<\/p>\n<p>Expansion Slot Type Integrated Services Card (ISC)<\/p>\n<p>Expansion Slot Type SFP<\/p>\n<p>Expansion Slot Type Service Module<\/p>\n<p>Expansion Slot Type Network Interface Module (NIM)<\/p>\n<p>Network &#038; Communication<\/p>\n<p>Network Technology 10\/100\/1000Base-T<\/p>\n<p>Ethernet Technology Gigabit Ethernet<\/p>\n<p>VoIP Supported Yes<\/p>\n<p>Memory<\/p>\n<p>Standard Memory 4 GB<\/p>\n<p>Maximum Memory 16 GB<\/p>\n<p>Memory Technology DRAM<\/p>\n<p>Flash Memory 4 GB<\/p>\n<p>Power Description<\/p>\n<p>PoE (RJ-45) Port No<\/p>\n<p>Input Voltage 230 V AC<\/p>\n<p>Input Voltage 120 V AC<\/p>\n<p>Power Source PoE<\/p>\n<p>Power Source Power Suppl<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Refurbished ISR4331-V\/K9 Overview<\/p>\n<p>Cisco Intergrated Service Router ISR4331-V\/K9 Voice bundle is ideally designed for the small to mid-size enterprise branch environment, delivers advanced VOIP services and unprecdent level of WAN intelligence. Cisco ISR4331 combines 2 dual mode Gigabit Ethernet ports and PVDM4 DSP for voice and video services, two network modules, one integrated services card slot and one service module slots which you can add a Gigabit Ethernet switch or maybe a Cisco UCS e-series single blade server module to run virtualized applications.Fully support for the OnePK software development kits means mutual awareness between both network and applications. Application visibility and control are natively available on the router, so you can measure user experience without external probes<\/p>\n","protected":false},"featured_media":86286,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[691,347,626],"product_tag":[1036,1037,677,628,1052],"class_list":["post-86285","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-refurbished-routers","product_cat-refurbished","product_cat-refurbished-routers","product_tag-cisco-isr","product_tag-cisco-isr-4000-series","product_tag-gigabit-ethernet-servers","product_tag-router","product_tag-sfp-router","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>Refurbished ISR4331-V\/K9, Cisco 4331 Router, 3 Ports - 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\/refurbished-isr4331-v-k9-cisco-4331-router-3-ports\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refurbished ISR4331-V\/K9, Cisco 4331 Router, 3 Ports - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"Refurbished ISR4331-V\/K9 Overview Cisco Intergrated Service Router ISR4331-V\/K9 Voice bundle is ideally designed for the small to mid-size enterprise branch environment, delivers advanced VOIP services and unprecdent level of WAN intelligence. Cisco ISR4331 combines 2 dual mode Gigabit Ethernet ports and PVDM4 DSP for voice and video services, two network modules, one integrated services card slot and one service module slots which you can add a Gigabit Ethernet switch or maybe a Cisco UCS e-series single blade server module to run virtualized applications.Fully support for the OnePK software development kits means mutual awareness between both network and applications. 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