{"product_id":"arista-qdd-400g-xdr4-s-400g-qsfp-dd-transceiver-xdr4-4x100g-fr-sn-2km-smf","title":"Arista QDD-400G-XDR4-S | 400G QSFP-DD Transceiver, XDR4, 4x100G-FR, SN, 2km SMF","description":"The Arista QDD-400G-XDR4-S is a 400GBASE-XDR4 QSFP-DD optical transceiver designed for high-density data centre interconnect and 400G-to-100G migration deployments. Operating across four parallel 100GBASE-FR lanes at 1310nm over single-mode fibre, it delivers 400Gbps aggregate throughput with reach up to 2km — making it ideal for leaf-to-spine links and campus-scale DCI applications. SN optical connectors provide the compact, high-density cabling interface required in modern 400G deployments, while PAM4 modulation and an 8x 50Gb\/s DSP gearbox ensure reliable, efficient signal integrity.\u003cbr\u003e\u003cbr\u003eBreakout support for 4x 100G-FR QSFP modules enables seamless interoperability with existing 100G infrastructure, protecting investment during network upgrades. Digital Diagnostic Monitoring (DDM) provides real-time visibility into transceiver health, simplifying operations and fault identification. Compliant with IEEE 802.3bs and QSFP-DD MSA standards, the QDD-400G-XDR4-S is RoHS certified and operates across commercial temperature ranges. Buy today from iptrading.com.au — fast shipping and expert service across Australia.","brand":"Arista","offers":[{"title":"Default Title","offer_id":63479188783473,"sku":"QDD-400G-XDR4-S","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/3665\/1889\/files\/Transceiver-Placeholder_6341f92b-5558-4209-b398-54329ef38173.png?v=1776740309","url":"https:\/\/www.iptrading.com.au\/products\/arista-qdd-400g-xdr4-s-400g-qsfp-dd-transceiver-xdr4-4x100g-fr-sn-2km-smf","provider":"IP Trading Pty Ltd","version":"1.0","type":"link"}