QSFP Fiber Ethernet Switches Available Now

High-speed QSFP fiber Ethernet switches supporting 10G to 400G are available from multiple vendors, including Cisco, QSFPTEK, and other data center-focused manufacturers.

Overview of QSF

P SwitchesQSFP (Quad Small Form-factor Pluggable) switches are designed for high-bandwidth fiber connections, ideal for data centers, enterprise cores, and high-performance computing networks.

QSF

P ports can handle multiple data streams simultaneously, providing 10G, 25G, 40G, 100G, and even 400G Ethernet speeds depending on the module and switch type. QSFP-DD (Double Density) switches increase port density by adding a second row of electrical contacts, enabling 8 lanes of 50 Gbps PAM4 signaling for 400G aggregate bandwidth while maintaining backward compatibility with legacy QSFP modules.

Available Vendors and Models

Cisco: Offers a wide range of 100G QSFP modules and switches, including 100GBASE-SR4-S and 100GBASE-SL4, supporting multimode fiber with MPO connectors for high-density data center deployments.

Cisco QSF

P switches are certified for IEEE-compliant 100GBASE interfaces and provide hot-swappable modules for easy upgrades.

QSFPTE

K: Provides 10/25/40/100G data center switches suitable for SMB, enterprise, and cloud environments. Their switches are designed for high performance at competitive pricing, with full transceiver testing and datasheets available for each model. Other Vendors: Many modern QSFP-DD compatible switches from leading vendors support downshifting to 25G NRZ for legacy module compatibility and handle power classes from 10W to 25W per port, ensuring support for high-power QSFP-DD modules.

Key Considerations

Port Density: QSFP-DD switches allow more ports per chassis, which is critical for large-scale deployments. Transceiver Compatibility: Ensure the switch supports the specific QSFP module type (e.g., SR4, LR4, AOC, DAC) and power class. Bandwidth Requirements: Choose switches based on required speeds (100G, 200G, 400G) and whether multi-lane aggregation is needed.

Power and Cooling: High-speed QSFP-DD modules consume more power (up to 25W per port), so verify switch line cards can handle the load.

Where to Buy

Newegg: Offers a selection of QSFP network switches for enterprise and SMB use, with fast shipping and customer support. Vendor Direct: Cisco, QSFPTEK, and other manufacturers provide direct sales and datasheets for detailed specifications. These switches are suitable for high-performance networking, data center interconnects, and backbone infrastructure, providing flexibility, high throughput, and future-proofing for evolving network demands.