Cisco QSFP-4SFP25G-CU3M | 100G→4x25G DAC | QSFP28→4xSFP28 | 100GBASE-CR4/25GBASE-CR | passive twinax, λ n/a | 3m | QSFP28/SFP28 AI Consider optical attenuators for very

Consider optical attenuators for very short links to prevent receiver saturation

Passive copper DAC breakout cable enabling a single 40G port to fan out into four 10G links

presented in the First Light finish

and professional visualization workloads

Modular QD design supports swapping to other QD cables or USB adapters if your connectivity needs change

Cisco QSFP-4SFP25G-CU3M | 100G→4x25G DAC | QSFP28→4xSFP28 | 100GBASE-CR4/25GBASE-CR | passive twinax, λ n/a | 3m | QSFP28/SFP28 AI Consider optical attenuators for veryPassive copper breakout DAC for connecting a 100G QSFP28 port to four 25G SFP28 ports over a 3 m run, delivering low latency and cost effective fan out for data center racks. MSA compliant form factors ensure broad interoperability across QSFP28 SFP28 switch and NIC ports.