Price List for Upgraded Optical Modules for Data Center Interconnection
Active optical modules for DCI range from $1,400 for short-reach 400G SR8 modules to over $130,000 for OEM coherent ZR+ modules, with third-party alternatives offering significant savings.
Short-Reach Modules
- 400G SR8 QSFP-DD: Designed for in-rack or cross-row connections, priced between $1,400 and $1,800 from reputable third-party vendors, making them the standard entry point for 400G adoption .
- Active Optical Cables (AOCs): Extend reach beyond DAC limits (typically 1–30 meters), slightly higher cost and power than passive DACs, ideal for medium intra-row distances .
Medium-Reach Modules
- DR4 and FR4 QSFP-DD: Bridge data center rows or short campus links. Third-party pricing is competitive due to a mature ecosystem, generally $2,000–$5,000 depending on vendor and volume .
Long-Reach and Coherent Modules
- LR4 QSFP-DD: OEM pricing can exceed $10,000, used for longer intra-data center or metro links .
- ZR and ZR+ Coherent Modules: Designed for metro and regional DCI (40 km to 1,000+ km). OEM ZR+ modules can cost $130,000+, while validated third-party alternatives may be available for $12,000–$15,000, offering identical optical performance at a fraction of the cost .
- Marvell COLORZ 400/800: QSFP-DD or OSFP coherent pluggable modules for metro and regional DCI, supporting 400–800 Gbps over distances up to 2,000 km. These modules reduce capital expenditure compared to traditional coherent transport systems .
Cost Considerations
- OEM vs Third-Party: Third-party modules often use the same DSPs, lasers, and photodiodes as OEMs, with price differences driven by brand premiums and distribution markups .
- DAC vs AOC vs Optical Modules: DACs are cheapest for very short links (<3 m), AOCs are cost-effective for medium distances, and standalone optical modules provide maximum reach and flexibility but at higher CAPEX and power draw .
- Operational Savings: Coherent pluggable modules reduce footprint, power, and cooling requirements, potentially lowering energy costs by over 80% for DCI deployments .
Summary Price Ranges (Approximate)
| Module Type | Typical Price (Third-Party) | OEM Price |
|---|---|---|
| 400G SR8 QSFP-DD | $1,400–$1,800 | $1,800–$2,000 |
| DR4/FR4 QSFP-DD | $2,000–$5,000 | $5,000+ |
| LR4 QSFP-DD | $8,000–$12,000 | $10,000+ |
| ZR Coherent | $10,000–$15,000 | $50,000+ |
| ZR+ Coherent | $12,000–$15,000 | $130,000+ |
| COLORZ 400/800 | Vendor-specific, competitive | OEM pricing higher |
When planning DCI deployments, it is recommended to map reach requirements carefully and consider third-party validated modules to optimize both CAPEX and operational efficiency .
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