Syrotech GOXQ-8540G-02-SR4 40G QSFP+ SR4, 4×10G, MPO-12, 850 nm, OM3/OM4, Low Power Transceiver

Syrotech GOXQ-8540G-02-SR4 is a 40-Gigabit QSFP+ SR4 optical transceiver designed for short-range, high-speed data communication over multimode fiber. It uses four parallel channels, each operating up to 10.5 Gbps, providing a combined 40 Gbps bidirectional bandwidth. This transceiver is ideal for 40G Ethernet applications, datacenter interconnects, switches, routers, and high-performance computing. It features a 38-pin edge type electrical connector and a 12-fiber MPO/MTP optical connector. Syrotech’s VCSEL technology ensures reliable long life, consistent performance, and efficient operation in dense, high-speed network environments.

KEY FEATURES:

• Channels: 4 full-duplex parallel lanes
• Data Rate: 10.3-10.5 Gbps per lane (up to 12.5 Gbps maximum)
• Total Bandwidth: 40 Gbps
• Optical Technology: 850 nm VCSEL laser and PIN photodiode array
• Form Factor: Hot-pluggable QSFP+
• Power Consumption: <1.5 W
• Maximum Link Length: 100 m on OM3 / 150 m on OM4 multimode fiber
• Connector: Single 12-fiber MPO/MTP
• Monitoring: Built-in digital diagnostic functions (DDM)
• Operating Case Temperature: 0°C to +70°C
• Compliance: RoHS-6 lead-free

TECHNICAL SPECIFICATION:

APPLICATIONS:

• 40GBASE-SR4 Ethernet short-range links
  

• Datacenter switch-to-switch connections
  

• Telecom and datacom aggregation networks
  

• High-density cabling systems
  

• Infiniband SDR, DDR, and QDR transmissions
  

• Backplane and proprietary high-speed links
  

• Enterprise and HPC network interconnects

ADVANCED FEATURES:

High-Bandwidth Parallel Optical Design :

The GOXQ-8540G-02-SR4 provides full 40 Gbps throughput using 4 × 10 Gbps parallel lanes. This parallel architecture ensures simultaneous high-speed transmission and reception across all channels, minimizing latency and maintaining reliable short-range connectivity over OM3 and OM4 multimode fibers. It optimizes fiber usage, reduces congestion, and supports dense cabling environments. The module is ideal for high-density server-to-switch links, top-of-rack deployments, and critical datacenter interconnects.

Integrated Clock and Data Recovery (CDR) :

Internal CDR circuits on both transmitter and receiver channels preserve signal integrity, reduce jitter, and maintain consistent, error-free data transmission even in high-density network environments. This guarantees reliable performance for mission-critical applications, including HPC clusters, virtualization, storage replication, and cloud computing workloads. The CDR technology also helps maintain low bit error rates under heavy network traffic.

Digital Diagnostic Monitoring (DDM) :

Built-in DDM provides real-time monitoring of module temperature, supply voltage, laser bias, TX/RX optical power, and overall module health. This allows proactive network management, early fault detection, and minimal downtime, ensuring stable operation in high-performance short-range links. The feature is compliant with the SFF-8436 standard, giving detailed insight for data center monitoring and maintenance.

Hot-Pluggable QSFP+ Form Factor :

The compact QSFP+ module supports hot-swapping, enabling installation, replacement, or upgrades without disrupting ongoing network operations. This simplifies maintenance, accelerates provisioning, and reduces network downtime. The form factor is fully compatible with standard QSFP+ cages, making it suitable for multi-vendor environments and flexible datacenter layouts.

Low Power Consumption and Thermal Efficiency :

Consuming less than 1.5 W, the module produces minimal heat while maintaining stable optical performance across all channels. Its energy-efficient design improves thermal management in high-density switch chassis and server NICs, enhancing reliability and service life. Reduced heat generation also lowers cooling requirements and operational costs in large-scale deployments.

High-Density Network Compatibility :

Designed for 40G Ethernet leaf-spine and aggregation network architectures, this module supports seamless integration with major switches and NICs, providing reliable, scalable, and high-performance interconnects. It is ideal for enterprise, datacenter, and HPC networks requiring robust, low-latency, short-reach links. The module ensures consistent performance in multi-vendor and multi-application environments.

ORDERING INFORMATION:

WARRANTY & SUPPORT:

Manufacturers are responsible for warranties, which are based on the purchase date and validity. We make sure the products we sell are delivered on time and in their original condition at Grabnpay. Whether it's physical damage or operational issues, our team will help you find a solution. We help you install, configure, and manage your devices. We'll help you file a warranty claim and guide you every step of the way.

All listed prices reflect standard market rates. Final commercial terms, including volume-based discounts, will be provided based on purchase volume, MOQ, and other applicable criteria. For more information about switches & other accessories, contact our technical support team.