{"product_id":"enet-2-5m-400gbase-cr8-qsfp-dd-passive-dac-arista","title":"ENET 2.5M 400GBASE-CR8 QSFP-DD Passive DAC","description":"\u003cdiv class=\"product-content\"\u003e\n\u003csection class=\"product-intro\"\u003e\u003ch1\u003eENET 2.5M 400GBASE-CR8 QSFP-DD Passive DAC\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003e400GBASE-CR8 QSFP-DD passive direct attach cable\u003c\/strong\u003e delivers ultra-high-speed connectivity for next-generation data center infrastructure. This \u003cstrong\u003e2.5-meter QSFP-DD to QSFP-DD passive DAC\u003c\/strong\u003e is engineered for Arista-compatible environments, providing reliable 400G connections without active components. Ideal for enterprise networks, cloud environments, and high-performance computing clusters requiring low-latency, cost-effective interconnect solutions.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"key-features\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e400GBASE-CR8 passive direct attach cable technology for maximum reliability\u003c\/li\u003e\n\u003cli\u003eQSFP-DD connector compatibility on both ends for seamless integration\u003c\/li\u003e\n\u003cli\u003e2.5-meter length optimized for rack-to-rack and switch-to-server deployments\u003c\/li\u003e\n\u003cli\u003eArista-certified for guaranteed performance and interoperability\u003c\/li\u003e\n\u003cli\u003eLow-latency passive design eliminates active component power consumption\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to active optical cables for short-reach applications\u003c\/li\u003e\n\u003cli\u003eCopper-based construction for superior signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"specifications\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"10\"\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\u003eENET SOLUTIONS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCAB-D-D-400G-2.5M-ENC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003e400GBASE-CR8 Passive Direct Attach Cable\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\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e2.5 meters\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\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArista Networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Type\u003c\/td\u003e\n\u003ctd\u003ePassive (No Active Components)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eData Center, High-Performance Computing, Enterprise Networks\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-CR8 passive DAC cable?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003e400GBASE-CR8 passive direct attach cable\u003c\/strong\u003e is a copper-based interconnect that delivers 400 Gigabit Ethernet speeds without active electronics. The passive design reduces power consumption and latency, making it ideal for short-distance data center connections between switches, servers, and storage systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this QSFP-DD cable compatible with Arista switches?\u003c\/h3\u003e\n\u003cp\u003eYes, this \u003cstrong\u003eENET 400GBASE-CR8 QSFP-DD passive DAC\u003c\/strong\u003e is Arista-certified and fully compatible with Arista 400G switch platforms. It provides plug-and-play connectivity without requiring firmware updates or additional configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat is the maximum distance for this 2.5M passive DAC?\u003c\/h3\u003e\n\u003cp\u003eThe 2.5-meter length is optimized for intra-rack and adjacent-rack deployments in data center environments. Passive DAC cables typically support reliable transmission up to 5-7 meters depending on signal quality requirements and switch specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow does a passive DAC compare to active optical cables?\u003c\/h3\u003e\n\u003cp\u003ePassive \u003cstrong\u003e400GBASE-CR8 QSFP-DD cables\u003c\/strong\u003e offer lower cost and power consumption compared to active optical alternatives, with zero latency overhead. They're ideal for short-reach applications; active cables are better suited for longer distances or environments requiring extended reach capabilities.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"ENET SOLUTIONS","offers":[{"title":"Default Title","offer_id":41647356280907,"sku":"CAB-D-D-400G-2.5M-ENC","price":608.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.tecisoft.ca\/products\/enet-2-5m-400gbase-cr8-qsfp-dd-passive-dac-arista","provider":"TeciSoft","version":"1.0","type":"link"}