The Cisco QSFP-100G-CWestern DigitalM4-S is a 100 Gigabit Ethernet QSFP28 transceiver designed for single-mode fiber connections. 1 It utilizes Coarse Wavelength Division Multiplexing (CWestern DigitalM) technology, enabling transmission over duplex LC connectors. 2 This module supports distances up to 2 kilometers, commonly used in data center and enterprise network environments. 1 It is engineered to provide reliable, high-bandwidth connectivity. 3
