{"product_id":"cisco-qdd-400g-fr4-s-400g-qsfp-dd-optical-transceiver-for-2-km-single-mode-fiber-networks","title":"Cisco QDD-400G-FR4-S 400G QSFP-DD Optical Transceiver for 2 km Single-Mode Fiber Networks","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"21\" data-end=\"474\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Cisco QDD-400G-FR4-S is a QSFP-DD optical transceiver designed to deliver 400 Gigabit Ethernet connectivity over duplex single-mode fiber for high-density enterprise, cloud, and service provider networks. This Cisco QDD-400G-FR4-S module supports 400GBASE-FR4 transmission with a maximum reach of 2 kilometers using LC duplex connectors and CWDM technology. Its hot-swappable design and compact QSFP-DD form factor provide efficient deployment for modern high-bandwidth switching and routing platforms.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCisco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNetworking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQDD-400G-FR4-S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQSFP-DD Optical Transceiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQSFP-DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEthernet Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400GBASE-FR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiber Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-Mode Fiber (G.652 SMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuplex LC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Wavelengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1271 nm, 1291 nm, 1311 nm, 1331 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400GAUI-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3cu, QSFP-DD MSA, 100G Lambda MSA, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.08 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About QDD-400G-FR4-S\u003c\/h4\u003e\n\u003cp data-start=\"503\" data-end=\"1065\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe QDD-400G-FR4-S is part of Cisco's 400G QSFP-DD optical transceiver portfolio, developed for next-generation data centers, enterprise core networks, and service provider infrastructures. It utilizes four CWDM optical wavelengths transmitted over a duplex single-mode fiber pair, enabling 400 Gigabit Ethernet communication across distances up to 2 kilometers while reducing fiber requirements compared to parallel optics. The module complies with IEEE 802.3cu 400GBASE-FR4, QSFP-DD MSA, 100G Lambda MSA, and 400GAUI-8 standards to ensure interoperability across supported Cisco networking platforms. Its low-power architecture, hot-swappable installation, and high-density design make it suitable for scalable 400G deployments requiring reliable optical performance and efficient infrastructure expansion.\u003c\/p\u003e\n\u003ch3 data-start=\"1067\" data-end=\"1088\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1471\" data-end=\"2237\"\u003e\n\u003cli data-start=\"1471\" data-end=\"1560\"\u003e400 Gigabit Ethernet Performance: Supports optical data transmission at up to 400 Gbps.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1561\" data-end=\"1655\"\u003eQSFP-DD Form Factor: High-density pluggable design optimized for modern switching platforms.\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1741\"\u003eCWDM4 Optical Technology: Uses four CWDM wavelengths over duplex single-mode fiber.\u003c\/li\u003e\n\u003cli data-start=\"1742\" data-end=\"1835\"\u003eTwo Kilometer Reach: Supports transmission distances up to 2 km on G.652 single-mode fiber.\u003c\/li\u003e\n\u003cli data-start=\"1836\" data-end=\"1931\"\u003eDuplex LC Interface: Utilizes standard LC optical connectors for simplified fiber deployment.\u003c\/li\u003e\n\u003cli data-start=\"1932\" data-end=\"2032\"\u003eHot-Swappable Module: Allows installation and replacement without shutting down network equipment.\u003c\/li\u003e\n\u003cli data-start=\"2033\" data-end=\"2124\"\u003eStandards Compliance: Supports IEEE 802.3cu, QSFP-DD MSA, 100G Lambda MSA, and 400GAUI-8.\u003c\/li\u003e\n\u003cli data-start=\"2125\" data-end=\"2237\"\u003eEnergy-Efficient Design: Operates with low power consumption while maintaining high-speed optical performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2239\" data-end=\"2453\"\u003eThe QDD-400G-FR4-S delivers the reliability and precision required for high-speed optical networking, enterprise backbone connectivity, and large-scale data center deployments.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":52026881212714,"sku":"QDD-400G-FR4-S","price":512.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/c9e8f5d1-7a41-4938-8c03-5a66ccd5886cQDD-400G-FR4-S-AX.jpg?v=1782936366","url":"https:\/\/iqelectro.com\/products\/cisco-qdd-400g-fr4-s-400g-qsfp-dd-optical-transceiver-for-2-km-single-mode-fiber-networks","provider":"IQElectro","version":"1.0","type":"link"}