Genuine Cisco QSFP-40G-SR4-S 40GBASE-SR4 QSFP+ Transceiver Module 850nm 150m MPO MMF 10-3090-02
The Cisco QSFP-40G-SR4-S is an enterprise-grade, hot-swappable 40GBASE-SR4 S-Class QSFP+ optical transceiver module. It is purposefully engineered to deliver cost-effective, high-bandwidth 40Gbps connectivity for short-range links deployed in data centers, high-density server racks and enterprise campus networks.Operating at a nominal wavelength of 850 nm over parallel multi-mode fiber (MMF), this module supports transmission up to 100 meters on laser-optimized OM3 MMF and 150 meters on OM4 MMF. Additionally, it supports breakout to four independent 10GBASE-SR channels, reaching up to 300 meters over OM3 MMF and 400 meters over OM4 MMF for more flexible deployment.As part of Cisco's cost-effective S-Class product lineup, it features native hardware compatibility and robust reliability for general network scenarios while lowering total procurement costs. It is an ideal choice for intra-room short-reach networking.
Model / Product Code
QSFP-40G-SR4-S
Connector
MPO-12 / MTP-12
Max Cable Distance
100m over OM3 / 150m over OM4
DOM (Digital Monitoring)
Supported
Operating Temperature
0°C ~ 70°C
Typical Applications
Data Center Spine-Leaf 40G Short-Reach Links
- Optimized for high-density, low-latency Leaf-Spine architecture interconnects within modern data center tiers.
40G → 4×10G Breakout Connections
- Perfectly supports splitting a single 40G QSFP+ port into four independent 10G SFP+ links via MPO-to-LC breakout cables, maximizing port migration efficiency.
Enterprise Campus Network 40G Aggregation
- Ideal for high-capacity aggregation layer connectivity and distribution links across corporate campus networks.
Switch-to-Switch Core Uplinks
- Seamlessly expands bandwidth on original Cisco switches and core routers featuring high-speed 40G QSFP+ uplink ports.
High-Speed Server & Storage Network Interfaces
- Delivers blazing-fast, reliable data throughput for high-performance computing (HPC) clusters, SAN storage setups, and enterprise servers.
Product Highlights
Flexible 40G/4×10G Operation & Breakout Support
- Maximizes port flexibility by supporting both aggregated 40Gbps line rates and 4×10G breakout configurations. Via standard MPO-12 to 4×LC breakout cables, a single 40G port splits into four independent 10GBASE-SR links, significantly enhancing port utilization and maximizing investment return (ROI) on legacy hardware.
Cost-Effective Short-Reach Connectivity
- Engineered specifically for short-range data center clusters. By utilizing widely deployed, budget-friendly OM3 and OM4 multi-mode fiber (MMF) infrastructure, it achieves robust high-bandwidth transmission while eliminating the absolute necessity of purchasing expensive single-mode cabling and higher-cost optics.
Standard MPO-12 Interface for Simplified Deployment
- Adopts the universal MPO-12 (MTP) physical interface, ensuring 100% seamless compatibility with mainstream parallel fiber optic cables and patch panels. This standardized design greatly simplifies breakout deployment, reduces structured cabling complexity, and quickens on-site cable management.
Compact QSFP+ Form Factor for Ultra-High Density
- The compact QSFP+ footprint allows network architects to achieve maximum port density on modern data center switches and core routers. It enables hassle-free expansion of 40G uplink resources and scales aggregate network capacity without consuming excessive rack space.
Native Cisco Interoperability & Real-Time DOM
- 100% authentic Cisco quality (P/N: 10-3090-02) featuring the original enterprise-grade beige/tan pull-tab. Guarantees error-free plug-and-play operation across Cisco Nexus and Catalyst architectures, eliminating third-party rejection warnings while offering proactive system telemetry via Digital Optical Monitoring (DOM).