{"id":84028,"date":"2026-09-08T16:28:17","date_gmt":"2026-09-08T16:28:17","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\/"},"modified":"2026-09-08T16:28:48","modified_gmt":"2026-09-08T16:28:48","slug":"qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\/","title":{"rendered":"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable"},"content":{"rendered":"<p>QDD-400-CU1M Technical Specifications<\/p>\n<p>Cisco 400G QSFP-DD Passive Direct Attach Copper Twinax Cable<\/p>\n<p>Manufacture Part: Number QDD-400-CU1M<\/p>\n<p>Form Factor: QSFP-DD to QSFP-DD<\/p>\n<p>Passive or actively equalized Passive<\/p>\n<p>1 meter<\/p>\n<p>Cable Type: Twinax<\/p>\n<p>35 mm<\/p>\n<p>Connector: QSFP-DD\/QSFP-DD<\/p>\n<p>Operating: 0\u00b0C to 70\u00b0C<\/p>\n<p>Storage: -40\u00b0C to 85\u00b0C<\/p>\n<p>Application Switches, servers, and routers<\/p>\n<p>Data Center networks<\/p>\n<p>Storage area networks<\/p>\n<p>High-performance computing<\/p>\n<p>Telecommunication and network infrastructure<\/p>\n<p>Fibre Channel over Ethernet<\/p>\n<p>Data Rate 400 Gb\/s<\/p>\n<p>Supply Voltage 3.3V<\/p>\n<p>Wire Gauge 30AWG<\/p>\n<p>Cable Jacket Type PVC<\/p>\n","protected":false},"excerpt":{"rendered":"<p>QDD-400-CU1M Overview<\/p>\n<p>Cisco 400G QSFP-DD DAC Twinax Cable (1-meter, Passive, QSFP-DD to QSFP-DD, 30AWG)<\/p>\n<p>The 400G QSFP-DD DAC provides a QSFP-DD-to-QSFP-DD copper direct-attach solution and it is suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of switches\/routers within racks and across adjacent racks. This DAC is designed with ultra-low loss materials, square rings, twisted pair cable 8 wires and shell extension construction for superior mechanical properties and bending performance. It is tested in actual switching systems to ensure optimal signal integrity and the best end-to-end performance.<\/p>\n","protected":false},"featured_media":84029,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[255],"product_cat":[289,288],"product_tag":[467,468,673,469,471],"class_list":["post-84028","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-cisco-transceivers","product_cat-transceivers","product_tag-copper-cable","product_tag-direct-attach-cable","product_tag-direct-attach-copper-cable","product_tag-passive-cable","product_tag-twinaxial-cable","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>QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable - 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\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"QDD-400-CU1M Overview Cisco 400G QSFP-DD DAC Twinax Cable (1-meter, Passive, QSFP-DD to QSFP-DD, 30AWG) The 400G QSFP-DD DAC provides a QSFP-DD-to-QSFP-DD copper direct-attach solution and it is suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of switches\/routers within racks and across adjacent racks. 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It is tested in actual switching systems to ensure optimal signal integrity and the best end-to-end performance.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/geektechsol.com\/index.php\/product\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-08T16:28:48+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Cisco-QDD-400-CU1M.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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/\",\"name\":\"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-QDD-400-CU1M.jpg\",\"datePublished\":\"2026-09-08T16:28:17+00:00\",\"dateModified\":\"2026-09-08T16:28:48+00:00\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-QDD-400-CU1M.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Cisco-QDD-400-CU1M.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\\\/#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\":\"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable\"}]},{\"@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":"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable - 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":"http:\/\/geektechsol.com\/index.php\/product\/qdd-400-cu1m-cisco-400g-qsfp-dd-passive-copper-twinax-cable\/","og_locale":"en_US","og_type":"article","og_title":"QDD-400-CU1M Cisco 400G QSFP-DD Passive Copper Twinax Cable - Geek Tech Sol","og_description":"QDD-400-CU1M Overview Cisco 400G QSFP-DD DAC Twinax Cable (1-meter, Passive, QSFP-DD to QSFP-DD, 30AWG) The 400G QSFP-DD DAC provides a QSFP-DD-to-QSFP-DD copper direct-attach solution and it is suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of switches\/routers within racks and across adjacent racks. 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