The Cisco® 400G QSFP-400G-DR4 modules offer customers high-bandwidth transceiver modules targeting network interface cards (NICs) and smart NICs used in data centers, high-performance computing networks, and AI applications. This is Cisco's latest generation of 400 Gigabit Ethernet (400G) transceiver modules and cables based on the Quad Small Form-Factor Pluggable (QSFP112) form factor designed to support four electricial lanes at 112Gbps in the QSFP form factor.