BlueOptics QSFP+ 40GBASE-SR4 Transceiver Compatible with Finisar FTL410QE4N (BO25K859S2D)

The BlueOptics BO25K859S2D is a high-performance QSFP+ transceiver designed for 40 Gigabit Ethernet networks. It is fully compatible with the Finisar FTL410QE4N and offers reliable connectivity for data center and enterprise applications. This hot-pluggable module supports multi-mode fiber (MMF) and delivers 40 Gbps data rates over four 10 Gbps lanes.

Advantages

Cost-effective alternative to OEM modules without compromising performance. Fully MSA compliant for multi-vendor interoperability. Low power consumption under 1.5W helps reduce energy costs. Supports Digital Diagnostic Monitoring (DDM) for real-time performance tracking.

Suitable for

• Data center 40GBASE-SR4 links
• Enterprise network aggregation
• High-performance computing clusters
• Telecommunications infrastructure

Key specifications

• Form Factor: QSFP+
• Data Rate: 40 Gbps (4x10 Gbps)
• Wavelength: 850 nm
• Maximum Distance: 150 m (OM4), 100 m (OM3)
• Fiber Type: Multi-Mode Fiber (MMF)
• Connector Type: MPO/MTP (12-fiber)
• Protocol: IEEE 802.3ba 40GBASE-SR4
• DDM/DOM Support: Yes
• Power Consumption: < 1.5 W
• Operating Temperature: 0°C to 70°C
• Transmitter: VCSEL
• Receiver: PIN Photo Detector
• Hot-Pluggable: Yes
• Certifications: CE, FCC, RoHS

Recommendations

For optimal performance, use with OM4 or OM3 multi-mode fiber and MPO/MTP connectors. Ensure your switch or router supports QSFP+ modules and 40GBASE-SR4 standard.