Description in English:
Cable Kit Oculink 2U 4 port Switch Card for Riser 1 or 2 to Left Drive Bay. Connects 4x NVMe drives.
2U Retimer accessory cable kit, Riser 1 or Riser 2 (1 cable included). Contains the following OCuLink bundled cable:

815mm long, straight OCuLink SFF-8611connectors to straight OCuLink SFF-8611 connectors

Used in the R2208 to connect AXXP3RTX16040 4-Port PCIe SSD Retimer AIC to a PCIe SSD capable HSBP SSD ports (1 cable kit required per retimer installed)