Ciena Optical Transceivers Choose By Vendor Ciena QSFP28 100-Gigabit Ethernet QSFP28 100G Active Optical Cables QSFP28 100G Direct Attach Cables QSFP+ 40-Gigabit Ethernet SFP28 25-Gigabit Ethernet SFP+ 10-Gigabit Ethernet SFP 1-Gigabit Ethernet