The Dell Q28-100G-SR4-85C 4WGYD transceiver is manufactured by Dell and designed in QSFP28 form factor. It supports a transmission speed of 100 Gbps over multimode fiber (MMF) using an 850 nm wavelength.

This module complies with the IEEE 802.3bm standard for short-range data communication, enabling up to four parallel lanes at 25 Gbps each through MPO connectors. Compatible with various OEM switches and network devices supporting QSFP28 ports, it operates effectively within its designated power envelope without requiring external cooling or special mounting hardware.

Dell Q28-100G-SR4-85C: QSFP28 Transceiver - 4WGYD 100GB BASE-SR4 QSFP-100G.