Cisco QDD-400G-DR4-S Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m FEC MTP/MPO-12 APC SMF Optical Transceiver Module NVIDIA Ethernet Switches (RoCE) NADDOD O4Q56-400G-CU3H is a passive

NADDOD O4Q56-400G-CU3H is a passive Direct Attach Copper (DAC) cable with an OSFP-based twin-port 2x 200Gb/s connector to four QSFP56

It supports scalable spine–leaf and rack-to-rack architectures

ensuring reliable integration into high-speed switching platforms

NADDOD OSFP-800G-CU1F is a 2x400Gb/s twin-port OSFP (Octal Small Formfactor Pluggable) Flat Top to 2x400Gb/s twin-port OSFP Flat Top Direct Attached Copper cable (DAC)

It is typically used to interconnect NVIDIA ConnectX-7 OSFP-packaged 400G NICs with 400G QSFP-DD switches and can also be used as a 4×100G breakout to QSFP-DR 100G

Cisco QDD-400G-DR4-S Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m FEC MTP/MPO-12 APC SMF Optical Transceiver Module NVIDIA Ethernet Switches (RoCE) NADDOD O4Q56-400G-CU3H is a passiveDescription NADDOD Cisco QDD 400G DR4 S compatible 400G QSFP DD DR4 optical module adopts a 1310 nm EML transmitter and PAM4 pulse amplitude modulation. It supports transmission distances of up to 500 m over OS2 single mode fiber and features an MTP MPO 12 connector. The module is compliant with the QSFP DD MSA, IEEE 802. 3bs, and 400GBASE DR4 standards, ensuring broad interoperability. The 400G QSFP DD DR4 module is designed for 400G Ethernet data