Cisco QSFP-100G-CU1M | 100G QSFP28 DAC | 100GBASE-CR4 passive twinax | 1m reach | QSFP28–QSFP28 AI providing two 400G DR4 links

providing two 400G DR4 links at 1310 nm over single‑mode fiber up to 500 m

on‑AP management

and static routing for growing enterprise networks

and site surveys where an external GNSS feed enhances accuracy

comprehensive security features

Cisco QSFP-100G-CU1M | 100G QSFP28 DAC | 100GBASE-CR4 passive twinax | 1m reach | QSFP28–QSFP28 AI providing two 400G DR4 linksCompact 1 meter 100G direct attach copper cable for ultra low latency, zero power links between QSFP28 ports. Conforms to 100GBASE CR4 for reliable, standards based interoperability in top of rack and leafspine designs. Ideal for in rack switch to server switch connections.