400GBASE QSFP-DD Active Optical Cable (AOC)
The Hyper Photonix HSD1-400-1-MF5M 400GBASE QSFP-DD AOC is a QSFP-DD-QSFP-DD-Active Optical Cable for short-range datacom and interconnect applications. Each AOC has 8 duplex channels with an aggregated bandwidth of 425Gb/s. Each channel uses the PAM4 modulation scheme with a baud rate of 26.5625G and up to 100m when using OM4 fiber.