Cisco QSFP 100G Optical Transceiver - QSFP-100G-CWDM4-S

The Cisco QSFP-100G-CWDM4-S enables efficient data center interconnect for AI workloads using CWDM4 wavelength technology. This transceiver delivers 100 Gigabit connectivity up to 2 kilometers over duplex single-mode fiber, reducing fiber requirements compared to parallel optics.

Perfect for connecting AI clusters between data center floors, buildings, or nearby facilities. CWDM4 technology transmits four 25G wavelengths over a single fiber pair, simplifying cabling and reducing costs in structured deployments.

Ideal for AI organizations with multiple data center locations. Enables seamless distributed training, workload migration between facilities, and centralized AI model serving across campus environments.

Key Benefits:

• 2km reach for inter-facility AI connectivity
• Duplex LC connectors simplify cabling vs MPO
• Four wavelengths reduce fiber requirements
• Lower cost than 100G-LR4 for <2km distances
• Hot-swappable for zero-downtime maintenance

Bulk pricing for large installations. Compatible with all major Cisco switches.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.