2m (7ft) HW Compatible 400G QSFP-DD 8 x 50G PAM4 Active Optical Cable, Product Specification:Part Number - QDD-400G-AO02, Vendor Name - FS, Form Factor - QSFP-DD to QSFP-DD, Max. Data Rate - 400Gbps, Cable Length - 2m (7ft), Cable Type - OM4The 400G QSFP-DD active optical cables are designed for use in 400 Gigabit Ethernet links over OM4 multimode fibers, and contain eight multi-mode fibers (MMF) optic transceivers per end, each operating at data rates of up to 53Gb/s. This active optical cable is compliant with IEEE 802. 3cd 200GBASE-SR4 and InfiniBand HDR transmission protocols.