Cisco QDD-400G-DR4-S 400GB BASE-DR4 MPO-12 500m parallel SMF QSFP-DD Transceiver

The Cisco QDD-400G-DR4-S is a 400 Gbps transceiver module manufactured by Cisco. It uses the QSFP-DD form factor and supports single-mode fiber connections over an MPO interface with a wavelength of 1310 nm.

This model supports link distances up to 500 meters using parallel SMF cabling, compliant with IEEE 802.3bs for DR4 optical specifications. The transceiver is compatible with network equipment featuring QSFP-DD ports, commonly used in high-density data center switching platforms requiring short-reach interconnects at 400 Gigabit Ethernet speeds.

Cisco QDD-400G-DR4-S: 400G QSFP-DD Transceiver, 400GBASE-DR4, MPO-12, 500m parallel SMF