40G QSFP+ SR4 850nm MPO MMF DDM Fiber Optics Transceivers
The high-performance 40GBASE-SR4 QSFP+ MMF Optical Transceive delivers 40Gbps data rates at an 850nm wavelength. It supports short-range connectivity up to 100 meters on OM3 MMF and 150 meters on OM4 MMF, making it an ideal solution for data centers, high-performance computing, and enterprise networks. Featuring Digital Diagnostics Monitoring (DDM), it provides real-time insights into performance metrics like temperature and optical power, ensuring reliability and uptime. Upgrade to this compact, efficient transceiver for seamless, high-speed connectivity today!
| Part Number | GL40-MM85SR4C | Tx Power (dBm) | -4~2.4 |
| Product | 40G QSFP+ SR4 | Sensitivity (dbm) | ≤-11.1 |
| Max Data Rate | 40Gbps | Distance | 100m/OM3 150m/OM4 |
| Wavelength | 850nm | Connector | MPO |
| Laser Type (TX/RX) | VCSEL/PIN | Temp | 0~70 ℃ |
- 40G Ethernet to OTU3 Connection
- Data center/telecom switch and router connection
- Data aggregation and backplane applications
- Legacy protocols and density applications3Infiniband transport over 4ch SDR, DDR and QDR
- Hot Pluggable QSFP+ form factor
- Up to 100m on OM3
- Supports bit rate up to 10.3125Gb/s per lane
- Single MPO12 interface
- Low power consumption <1.5W
- Single +3.3V power supply
- Operating case temperature:0 to 70 °C
- RoHS compliant
FAQ About 40G QSFP+ SR4 Optics Transceivers
An MSA-compatible 40GBASE-SR4 module ensures interoperability with hardware from multiple vendors, reducing vendor lock-in risks. Designed for 40G Ethernet, it supports high-speed data transfer over OM3/OM4 multimode fiber with a reach of up to 150m (OM4). Its compliance with Multi-Source Agreement (MSA) standards guarantees consistent performance in enterprise data centers, making it a reliable choice for spine-leaf architectures or switch stacking.
Yes, a 40G QSFP+ SR4 switch stacking cable solution is ideal for short-reach, high-density connections between switches in a stack. Unlike traditional fiber cabling, it uses a 12-fiber MTP/MPO connector for parallel optics, simplifying deployment and reducing costs for distances up to 150m on OM4 fiber. It’s perfect for intra-rack or adjacent-rack connectivity in enterprise data centers.
OM4 fiber optimizes performance for 40GBASE-SR4 QSFP+ modules due to its lower modal dispersion and higher bandwidth (4700 MHz·km) compared to OM3. This allows error-free 40G transmission up to 150m, making it ideal for high-speed links in enterprise data centers. OM4 also future-proofs networks for upgrades to 100G or 400G speeds.
A 40G QSFP+ module like the 40GBASE-SR4 supports high-bandwidth applications (e.g., virtualization, cloud storage) with low latency. Its compact form factor and compatibility with OM4 fiber enable scalable, cost-effective connectivity between top-of-rack switches and core infrastructure. Enterprise data centers benefit from its energy efficiency and ability to handle growing traffic demands.
The cost of a 40GBASE-SR4 QSFP+ cable assembly depends on length, fiber type (OM3 vs. OM4), connector quality (MTP/MPO polish type), and vendor pricing. Pre-terminated OM4 assemblies are pricier but offer better performance and future scalability. Bulk purchases for enterprise data centers often reduce per-unit costs.
Industrial-grade 40G QSFP+ SR4 transceivers are designed for harsh environments (-40°C to 85°C) like manufacturing or outdoor data hubs. They offer superior durability, EMI shielding, and moisture resistance compared to commercial-grade modules, ensuring reliable 40G connectivity over OM4 fiber in extreme conditions.
