{"product_id":"400g-osfp-sr4-fiber-optic-transceiver","title":"400GBASE-SR4 OSFP Flat Top PAM4 850nm 50m DOM MPO-12\/APC MMF Optical Transceiver Module","description":"\u003cp\u003e\u003cstrong\u003eThe 400GBASE-SR4 OSFP Flat Top optical transceiver is a high-performance, hot-pluggable module designed for short-reach 400GbE applications over multimode fiber (MMF).\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt supports four parallel channels of 106.25Gb\/s PAM4 for an aggregate data rate of 400Gb\/s.\u003c\/p\u003e\u003cp\u003eOperating at 850nm, it uses a VCSEL laser array and PIN photodiode array, achieving link distances up to 30m over OM3 and 50m over OM4 fiber.\u003c\/p\u003e\u003cp\u003eThe module adopts an MPO-12\/APC connector and complies with IEEE802.3db and OSFP MSA, supporting digital diagnostics via the I²C interface.\u003c\/p\u003e\u003cp\u003eIt is ideal for high-density 400G Ethernet, AI clusters, and top-of-rack interconnects in data centers.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Default Title","offer_id":46760625668326,"sku":"OSFP-400G-SR4-50M","price":20132.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/OSFP-400G-SR4-50M-01.jpg?v=1760670295","url":"https:\/\/www.speedyfiber.com\/products\/400g-osfp-sr4-fiber-optic-transceiver","provider":"SpeedyFiberTX","version":"1.0","type":"link"}