{"id":169708,"date":"2026-09-10T11:00:13","date_gmt":"2026-09-10T11:00:13","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/c921-4p-cisco-921-gigabit-ethernet-security-router\/"},"modified":"2026-09-10T11:00:21","modified_gmt":"2026-09-10T11:00:21","slug":"c921-4p-cisco-921-gigabit-ethernet-security-router","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/c921-4p-cisco-921-gigabit-ethernet-security-router\/","title":{"rendered":"C921-4P Cisco 921 Gigabit Ethernet Security Router"},"content":{"rendered":"<p>C921-4P Technical Specifications<\/p>\n<p>Cisco 921 Gigabit Ethernet Security Router<\/p>\n<p>Dimensions &#038; Weight<\/p>\n<p>Depth : 9.5 in<\/p>\n<p>Height : 1.7 in<\/p>\n<p>Width : 9 in<\/p>\n<p>Header<\/p>\n<p>Brand : Cisco<\/p>\n<p>Manufacturer : CISCO DS HARDWARE DIRECT<\/p>\n<p>Product Series Cisco 900<\/p>\n<p>Model : C921<\/p>\n<p>Packaged Quantity : 1<\/p>\n<p>Product Line : Cisco Integrated Services Router<\/p>\n<p>Interface Provided<\/p>\n<p>Connector Type : 4 pin USB Type A<\/p>\n<p>Type : USB 2.0<\/p>\n<p>Connector Type : RJ-45<\/p>\n<p>Type : WAN<\/p>\n<p>Interface : Console<\/p>\n<p>Qty : 1<\/p>\n<p>Type : Management<\/p>\n<p>Qty : 4 LAN<\/p>\n<p>Type : LAN<\/p>\n<p>OS Provided<\/p>\n<p>Type : Cisco IOS IP Base<\/p>\n<p>Power Device<\/p>\n<p>Type : Internal power supply<\/p>\n<p>Processor<\/p>\n<p>Clock Speed : 2.2 GHz<\/p>\n<p>Flash Memory<\/p>\n<p>Installed Size : 2 GB<\/p>\n<p>Networking<\/p>\n<p>Form Factor : Desktop<\/p>\n<p>Integrated Switch : 4-port switch<\/p>\n<p>Key Features : Firewall, USB port, VPN support<\/p>\n<p>Type : Router<\/p>\n<p>WAN Ports Qty : 2<\/p>\n<p>RAM<\/p>\n<p>Installed Size : 1 GB<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C921-4P Overview<\/p>\n<p>C921-4P is the Cisco 921 Gigabit Ethernet security router with internal power supply. Cisco 900 Series ISRs deliver integrated security and threat defense, protecting networks from both known and new Internet vulnerabilities and attacks. These powerful, fixed-configuration routers provide secure broadband and Metro Ethernet connectivity. Service providers offering managed Ethernet WAN services can deploy them in customer locations as CPE.<\/p>\n","protected":false},"featured_media":169709,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[720,719],"product_tag":[1028,337,692,723,628,1030,1034],"class_list":["post-169708","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-routers","product_cat-routers","product_tag-cisco-900-series-router","product_tag-fast-ethernet","product_tag-gigabit-ethernet-router","product_tag-integrated-services-router","product_tag-router","product_tag-security-router","product_tag-vpn-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>C921-4P Cisco 921 Gigabit Ethernet Security Router - 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\/c921-4p-cisco-921-gigabit-ethernet-security-router\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C921-4P Cisco 921 Gigabit Ethernet Security Router - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"C921-4P Overview C921-4P is the Cisco 921 Gigabit Ethernet security router with internal power supply. 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Service providers offering managed Ethernet WAN services can deploy them in customer locations as CPE.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/c921-4p-cisco-921-gigabit-ethernet-security-router\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-10T11:00:21+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-C921-4P.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\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/\",\"name\":\"C921-4P Cisco 921 Gigabit Ethernet Security Router - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-C921-4P.jpg\",\"datePublished\":\"2026-09-10T11:00:13+00:00\",\"dateModified\":\"2026-09-10T11:00:21+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-C921-4P.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-C921-4P.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/c921-4p-cisco-921-gigabit-ethernet-security-router\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"C921-4P Cisco 921 Gigabit Ethernet Security Router\"}]},{\"@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":"C921-4P Cisco 921 Gigabit Ethernet Security Router - 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\/c921-4p-cisco-921-gigabit-ethernet-security-router\/","og_locale":"en_US","og_type":"article","og_title":"C921-4P Cisco 921 Gigabit Ethernet Security Router - Geek Tech Sol","og_description":"C921-4P Overview C921-4P is the Cisco 921 Gigabit Ethernet security router with internal power supply. 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