STC-QSFPDD-FR4-2KM – 400G QSFP-DD FR4 2km Transceiver

High-performance 400Gbps QSFP-DD FR4 transceiver for metro, DCI, and cloud connectivity – up to 2km

Product Overview

The STC-QSFPDD-FR4-2KM is a 400Gbps optical transceiver designed for short to mid-range data center and metro network applications. It delivers 400G Ethernet traffic across up to 2 kilometers of single-mode fiber (SMF) using four 100G PAM4 optical lanes. Compliant with IEEE 802.3cu 400GBASE-FR4 and QSFP-DD MSA standards, it ensures low-latency, high-reliability connectivity for cloud providers, enterprise networks, and hyperscale deployments.

Key Features

• Compliant with IEEE 802.3cu 400GBASE-FR4 and QSFP-DD MSA
• 4x 106.25Gbps PAM4 optical lanes
• LAN-WDM wavelengths: 1271nm, 1291nm, 1311nm, 1331nm
• Duplex LC connector
• Transmission distance up to 2km over SMF
• Hot-pluggable, low-latency design
• Power consumption: 10W (typical)
• Digital Diagnostics Monitoring (DDM) supported

Typical Applications

• Metro and regional data center interconnects (DCI)
• Hyperscale cloud and enterprise core networks
• 5G and next-gen aggregation points
• Carrier transport and metro cloud connectivity

Technical Specifications

Compatibility

• Cisco, Juniper, Arista, HP/HPE, PaloAlto, Juniper, NVIDIA and Others on request (custom coding available)

Why Choose Swedish Telecom Opto?

• European-based support & logistics
• Full multi-vendor compatibility
• Extensive QA testing with performance reports
• Customized stock for projects and repeat supply
• 100% verified and coded
• Lower cost – no brand tax
• Trusted since 2004

Need a Quote or Sample?

This module is available in volume or with custom tuning.

👉 Request a quote or contact our optical team today. sales@swedishtelecomopto.com