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Price list for QSFP-DDSFP optical modules for data center interconnection

QSFP-DD optical module prices range from around $1,400 for short-reach 400G SR8 modules to over $130,000 for long-haul coherent ZR+ modules, with 800G modules generally priced at 60–70% of OEM list prices.400G QSFP-DD Modules
  • SR8 (Short Reach, 8x50G or 8x25G lanes): Ideal for in-rack or cross-row connections, priced between $1,400 and $1,800 from reputable third-party vendors, making them the most cost-effective option for standard data center deployments .
  • DR4 and FR4 (Medium Reach): Used for inter-row or campus links. Prices are competitive due to a strong third-party ecosystem, typically $3,000–$6,000, depending on vendor and volume .
  • LR4 (Long Reach): Suitable for longer DCI links, OEM pricing can exceed $10,000, while third-party alternatives may offer significant savings .
  • ZR and ZR+ (Coherent Long-Haul): Designed for wide-area DCI, OEM modules can cost $130,000+, representing the largest line-item expense in many deployments. Third-party options can reduce costs substantially .
800G QSFP-DD Modules
  • Short-Range 800G (8x100G or 4x200G): Emerging for high-bandwidth data center interconnects, with transmission distances of 100m, 500m, and 2km. Prices are still stabilizing, with third-party modules typically 60–70% of OEM list prices .
  • Market Considerations: 800G modules are less commoditized than 400G, and many enterprises prefer OEM modules for critical workloads due to DOM integration and firmware compatibility .
Vendor Options
  • OEM Modules: Cisco, Broadcom, and other major vendors provide high-reliability modules with full support and warranty, but at a premium price .
  • Third-Party Modules: Vendors like FS, FiberMall, and Unitekfiber offer cost-effective alternatives compatible with major OEM hardware, often at substantially lower prices for both 400G and 800G modules .
Summary

When planning data center interconnects:

  • Short-reach 400G SR8 modules are the most economical starting point.
  • Medium- and long-reach modules (DR4, FR4, LR4) increase costs progressively.
  • Coherent ZR/ZR+ modules are the most expensive but necessary for long-haul DCI.
  • 800G QSFP-DD modules are emerging, with prices currently higher and more variable, but third-party options can reduce costs by 30–40% compared to OEM pricing. Selecting the right module depends on distance, bandwidth requirements, and budget, with third-party vendors offering significant savings for non-critical deployments while OEM modules remain preferred for high-reliability or early-adoption scenarios.
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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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