QSFP Transceiver Module BlueOptics QSFP-40G-SR4-VA 40000 Mbit/s 850 nm

The BlueOptics QSFP-40G-SR4-VA is a fiber optic transceiver module engineered for 40 Gbit/s short-reach links. Designed with a QSFP interface and an operating wavelength of 850 nm, this module supports high-density, high-bandwidth connections typical in data center and enterprise network environments. The QSFP-40G-SR4-VA provides a compact, hot-pluggable solution for 40 Gigabit Ethernet and other multimode fiber applications where reliable, low-latency optical connectivity is required.

Advantages

The module delivers a standardized QSFP form factor that enables easy integration into compatible switches and routers. With support for 40 Gbit/s data rates and 850 nm multimode operation, it offers a predictable performance profile for short-reach links. The transceiver is hot-pluggable and designed for high-density racks, reducing the need for additional space and simplifying maintenance and replacement. Its focused feature set supports consistent optical performance across multimode fiber installations.

Suitable for

• 40 Gigabit Ethernet connections in data centers
• High-bandwidth uplinks and aggregation links
• Enterprise backbone links over multimode fiber
• Switch-to-switch connections within racks and between adjacent racks

Key specifications

• Interface type: QSFP
• Maximum data transfer rate: 40000 Mbit/s (40 Gbit/s)
• Operating wavelength: 850 nm
• Optical reach: designed for short-reach multimode fiber links
• Form factor: quad small form-factor pluggable (QSFP)
• Hot-pluggable design for easy replacement and servicing

How to use

Install the BlueOptics QSFP-40G-SR4-VA into a compatible QSFP port on a switch, router or optical transceiver cage following the host device manufacturer’s installation instructions. Use suitable multimode fiber patch cords and ensure connectors are clean before mating to avoid signal degradation. Verify link negotiation and interface status in the host device management interface and monitor optical loss and error counters during commissioning to confirm correct operation.

Recommendations

For reliable performance, use OM3/OM4 multimode fiber compliant cables and follow standard handling practices for optical modules: keep dust caps on when not in use, avoid excessive bending of fiber, and perform connector cleaning with approved tools. Confirm compatibility with the switch or router firmware and QSFP port specifications prior to deployment.