{"product_id":"add-on-cab-d-d-400g-0-5m-400gbase-cu-qsfp-dd-cable","title":"Add-On CAB-D-D-400G-0-5M 400GBase-CU QSFP-DD Cable","description":"\u003cdiv class=\"product-content\"\u003e\n\u003csection class=\"who-and-why\"\u003e\u003ch1\u003e400GBase-CU QSFP-DD Direct Attach Cable - 0.5m Passive Twinax\u003c\/h1\u003e\n\u003cp\u003eThe Add-On CAB-D-D-400G-0-5M is a \u003cstrong\u003e400GBase-CU QSFP-DD to QSFP-DD direct attach cable\u003c\/strong\u003e engineered for high-speed data center environments requiring ultra-reliable connectivity. This \u003cstrong\u003epassive twinax cable\u003c\/strong\u003e delivers 400 Gbps performance over copper at distances up to 0.5 meters, making it ideal for rack-to-rack and switch-to-server deployments. Built to \u003cstrong\u003eTAA compliance\u003c\/strong\u003e standards and fully compatible with Arista Networks equipment, this cable has been individually serialized, programmed, and application-tested to guarantee 100% functional compatibility. Whether you're upgrading legacy infrastructure or building new high-performance networks, this \u003cstrong\u003eQSFP-DD direct attach solution\u003c\/strong\u003e provides cost-effective, low-latency connectivity without the complexity of active components.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"key-features\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e400GBase-CU Performance\u003c\/strong\u003e — Delivers 400 Gbps throughput over passive copper conductors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQSFP-DD Connectors\u003c\/strong\u003e — Dual-port QSFP-DD interface for seamless integration with modern switches and transceivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5m Reach\u003c\/strong\u003e — Optimized 0.5-meter length for short-distance, high-density deployments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive Twinax Design\u003c\/strong\u003e — No active components required; reduced power consumption and latency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTAA Compliant\u003c\/strong\u003e — Meets Trade Agreements Act requirements for government and enterprise procurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMSA Standards Certified\u003c\/strong\u003e — Built to Multi-Source Agreement specifications for cross-vendor compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Tested \u0026amp; Serialized\u003c\/strong\u003e — Individually programmed and data-traffic tested before shipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArista Networks Compatible\u003c\/strong\u003e — Fully compatible with Arista CAB-D-D-400G-0-5M specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"technical-specs\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAdd-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCAB-D-D-400G-0-5M-AO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible With\u003c\/td\u003e\n\u003ctd\u003eArista Networks CAB-D-D-400G-0-5M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003e400GBase-CU Direct Attach (Passive Twinax)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eQSFP-DD to QSFP-DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e400 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Reach\u003c\/td\u003e\n\u003ctd\u003e0.5 meters (1.6 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eTAA Compliant, MSA Standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eNone (Passive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003e100% Data-Traffic \u0026amp; Application Tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerialization\u003c\/td\u003e\n\u003ctd\u003eUniquely Serialized \u0026amp; Programmed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"faq\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat is a 400GBase-CU direct attach cable?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003e400GBase-CU direct attach cable\u003c\/strong\u003e is a passive copper interconnect that enables 400 Gbps connectivity between network switches, servers, and transceivers. Unlike active cables, passive twinax designs eliminate power consumption and latency, making them ideal for short-distance, high-density data center applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this QSFP-DD cable compatible with my Arista equipment?\u003c\/h3\u003e\n\u003cp\u003eYes. The Add-On CAB-D-D-400G-0-5M-AO is \u003cstrong\u003e100% compatible with Arista Networks CAB-D-D-400G-0-5M\u003c\/strong\u003e specifications. It has been individually tested and programmed to ensure full functional compliance with Arista switches and transceivers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat does TAA compliant mean for this cable?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTAA (Trade Agreements Act) compliance\u003c\/strong\u003e certifies that this cable meets U.S. federal procurement standards. It qualifies for government contracts and enterprise purchasing programs that require TAA-compliant networking equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eCan I use this 0.5m cable for longer distances?\u003c\/h3\u003e\n\u003cp\u003eNo. This cable is rated for a maximum reach of 0.5 meters (1.6 feet). For longer distances, consider active 400GBase-CU cables or fiber-based solutions. The 0.5m specification ensures optimal signal integrity for short-reach, high-speed deployments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"ADD-ON","offers":[{"title":"Default Title","offer_id":41647356051531,"sku":"CAB-D-D-400G-0-5M-AO","price":1498.0,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/www.tecisoft.ca\/products\/add-on-cab-d-d-400g-0-5m-400gbase-cu-qsfp-dd-cable","provider":"TeciSoft","version":"1.0","type":"link"}