Price of a single 400g optical module

400G optical module prices range from around $1,400 for short-reach SR8 modules to over $130,000 for long-haul coherent ZR+ modules, depending on type, vendor, and transmission distance. Pricing OverviewSR8 Modules (Short-Reach, In-Rack Connections): Typically priced between $1,400 and $1,800 from reputable third-party vendors. These are the most common modules for modern data center deployments and represent the standard entry point for 400G adoption.

DR4 and FR4 Modules (Medium Reach, Cross-Row or Campus Links): Prices are competitive due to a robust third-party ecosystem, generally ranging from $2,500 to $5,000, depending on vendor and volume. LR4 Modules (Long-Reach, Data Center Interconnect): OEM LR4 modules can exceed $10,000, making them a significant cost factor for DCI deployments.

Z

R and ZR+ Modules (Coherent, Long-Haul DCI): These are the most expensive, with OEM prices potentially over $130,000. Third-party alternatives can offer substantial savings, often 60–70% of OEM list prices.

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M vs Third-Party OptionsOEM Modules: Typically more expensive, with guaranteed compatibility and firmware support. Preferred for critical production workloads, especially for long-haul or high-reliability applications.

Third-

Party Modules: Offer significant cost savings, particularly for SR8, DR4, and FR4 modules. They are widely used in data centers where budget optimization is important.

Additional Considerations

Volume Discounts: Many vendors provide tiered pricing for bulk purchases, which can reduce per-unit costs significantly. Total Cost of Ownership (TCO): When evaluating 400G modules, consider not only the purchase price but also operational costs, power consumption, and compatibility with existing infrastructure. Market Trends: The 400G module market is highly commoditized, with prices for short- and medium-reach modules stabilizing, while long-haul coherent modules remain premium items.

For purchasing, vendors like FS.com offer a wide range of 400G optical transceivers and cables with nearby warehouse availability and return policies, which can help streamline procurement. This pricing framework allows buyers to benchmark costs based on module type, reach, and vendor, ensuring informed decisions for data center or network deployments.