{"product_id":"400g-qsfp-dd-sr8-fiber-optic-transceiver","title":"400GBASE-SR8 QSFP-DD PAM4 850nm 70m@OM3 \/ 100m@OM4 DOM MPO-24 MMF Optical Transceiver Module, Breakout to 2 × 200G-SR4 and 8 × 50G-SR","description":"\u003cp\u003e\u003cstrong\u003eThe 400GBASE-SR8 QSFP-DD optical transceiver is a high-performance, short-reach module designed for 400GbE, 200GbE SR4 breakout, and 8×50GbE SR applications over multimode fiber (MMF).\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt supports 8 parallel lanes of 53.125 Gb\/s PAM4, providing an aggregate bandwidth of 400 Gb\/s.\u003c\/p\u003e\u003cp\u003eOperating at 850 nm, the module uses a VCSEL laser array and PIN photo-detector array to achieve up to 70 m on OM3 and 100 m on OM4 fiber.\u003c\/p\u003e\u003cp\u003eIt complies with IEEE 802.3cm 400GBASE-SR8 and QSFP-DD MSA, featuring digital diagnostics via I²C.\u003c\/p\u003e\u003cp\u003eThe MPO-24 connector supports direct 400G links or breakout to 2×200G SR4 or 8×50G SR channels, making it ideal for AI clusters and high-density data centers.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Default Title","offer_id":46760625602790,"sku":"QDD-400G-SR8-S-100M","price":5732.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/QDD-400G-SR8-S-100M-01.jpg?v=1760670326","url":"https:\/\/www.speedyfiber.com\/products\/400g-qsfp-dd-sr8-fiber-optic-transceiver","provider":"SpeedyFiberTX","version":"1.0","type":"link"}