{"product_id":"400g-qsfp-dd-dr4-fiber-optic-transceiver","title":"400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12\/APC SMF Optical Transceiver Module","description":"\u003cp\u003e\u003cstrong\u003eThe 400GBASE-DR4 QSFP-DD optical transceiver is designed for high-performance 400GbE data center and backbone applications over single-mode fiber (SMF) up to 500m.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt converts 8×53.125Gb\/s (PAM4) electrical signals into 4 parallel optical channels, each operating at 100Gb\/s, to achieve an aggregate 400Gb\/s data rate.\u003c\/p\u003e\u003cp\u003eOn the receiver side, it converts 4 optical lanes of 100Gb\/s each back into 8 electrical lanes of 50Gb\/s (PAM4).\u003c\/p\u003e\u003cp\u003eOperating at 1310nm, the module adopts an MPO-12\/APC connector for optical interface and a QSFP-DD MSA-compliant edge connector for electrical interface.\u003c\/p\u003e\u003cp\u003eCompliant with IEEE802.3bs 400GBASE-DR4, it supports DOM\/diagnostic monitoring via I²C, enabling precise link monitoring and optimized performance for large-scale deployments.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Default Title","offer_id":46760625832166,"sku":"QDD-400G-DR4-S-500M","price":17252.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/QDD-400G-DR4-S-500M-01.jpg?v=1760670331","url":"https:\/\/www.speedyfiber.com\/products\/400g-qsfp-dd-dr4-fiber-optic-transceiver","provider":"SpeedyFiberTX","version":"1.0","type":"link"}