Description Chelsio SM100G-IR4 Compatible is a 100G-CWDM4 QSFP28 module for 2km single-mode fiber links at a 1310nm wavelength. It features duplex LC connectors and DOM support, ensuring reliable 100GbE operation in Chelsio-based network adapters. This transceiver is optimized for low-latency, high-bandwidth storage and computing applications.