BlueOptics Cisco QSFP-100G-B40D4-I QSFP28 Bidi Transceiver, LC-Simplex, 100GBASE-BX-D, Singlemode Fiber, TX1309.14nm/RX1304.58nm, 40KM

Data center architects deploying 100 Gigabit Ethernet over long-haul single-mode fiber will find the BlueOptics QSFP-100G-B40D4-I an essential building block. This QSFP28 Bidi transceiver enables a full-duplex 100G link over a single strand of SMF, doubling fiber utilization and cutting infrastructure costs. With TX at 1309.14 nm and RX at 1304.58 nm, it supports 40 km reach, making it ideal for inter-building and campus backbones.

Key specifications

• Transceiver type: QSFP28 Bidi
• Data rate: 100 Gbps
• Ethernet standard: 100GBASE-BX-D
• Max distance: 40 km
• Fiber type: Singlemode Fiber (SMF)
• Connector: LC-Simplex
• TX wavelength: 1309.14 nm
• RX wavelength: 1304.58 nm
• Digital diagnostics monitoring (DDM): Supported
• Hot-pluggable: Yes
• MSA compliant: Yes
• Power supply: 3.3V
• Operating temperature: 0°C to 70°C

Why choose it

Engineered as a drop-in equivalent for Cisco QSFP-100G-B40D4-I, this module meets the same stringent performance criteria while offering a cost-effective alternative. Bi-directional optics reduce fiber count, and DDM provides real-time monitoring of key parameters, simplifying network management.

Ideal use cases

• 100 Gigabit Ethernet links in data centers
• Long-distance enterprise network backbones
• High-capacity inter-campus connections
• Fiber-constrained environments where single-strand operation is required

Good to know

This transceiver is hot-pluggable and MSA compliant, ensuring compatibility with a wide range of QSFP28 ports. It operates on a 3.3V power supply and is rated for commercial temperature range (0°C to 70°C).