Cisco QDD-4X100G-FR-S Compatible 400GBASE-XDR4 QSFP-DD PAM4 1310nm 2km FEC DOM MTP/MPO-12 SMF Optical Transceiver Module Model:QDD-400G-XDR4 It supports 10Gb/s throughput with

It supports 10Gb/s throughput with minimal latency

The Generic is a QSFP56 VCSEL-based (Vertical Cavity Surface-Emitting Laser)

As a passive copper twinax solution

using a twin-port OSFP architecture to support 2×400Gb/s VR4/VR8 multimode transmission over an 8-channel parallel optical interface

it ensures stable 10Gb/s signal integrity while providing greater flexibility and easier cable management than twinax copper

Cisco QDD-4X100G-FR-S Compatible 400GBASE-XDR4 QSFP-DD PAM4 1310nm 2km FEC DOM MTP/MPO-12 SMF Optical Transceiver Module Model:QDD-400G-XDR4 It supports 10Gb/s throughput withDescription NADDOD Cisco QDD 4X100G FR S Compatible 400G QSFP DD XDR4 optical transceiver supports 100G breakout links up to 2 km, with forward error correction (FEC) performed on the host platform. The 400G QSFP DD XDR4 (DR4+) module adopts a 1310 nm EML transmitter and PAM4 modulation, operating at a nominal wavelength of 1310 nm to deliver 400 Gb s optical transmission. The module is compliant with IEEE 802. 3cu specifications for 100GBASE FR1, as