A short-reach SR8 for in-rack connections costs under $2,000 from a reputable third-party vendor, while a coherent ZR+ for long-haul Data Center Interconnect (DCI) can exceed $130,000 from an Original Equipment Manufacturer (OEM). Understanding this range matters. Finally, it presents a Total Cost of Ownership (TCO) framework to help you reframe optics from a simple consumable into a strategic infrastructure asset. If you need a refresher on the underlying technology first, check out our complete QSFP-DD guide. OEM vs Third-Party: What's the Real Difference?This article explores the characteristics of OSFP and QSFP-DD form factors and practical solutions for interconnecting devices with different ports, enabling a more flexible and scalable network architecture. Smartoptics QSFP-DD transceivers provide cost-efficient 400G and 800G optical networking. • If you are looking for the 1000BASE-LX price such as SFP 80km price. QSFP-DD Optical Transceiver by Application (Cloud Services, Data Center Interconnection, AI, Others), by Types (400G, 800G, Others), by North America (United States, Canada, Mexico), by South America (Brazil, Argentina, Rest of South America), by Europe (United Kingdom, Germany, France, Italy.