Intel A2U4PSWCXCXK2 is an Oculink SFF-8611 PCIe data transfer cable 875mm long, bundled cable kit (1 cable included) straight OCuLink SFF-8611connectors to straight/right angle OCuLink SFF-8611 connectors.
Used in the R2208, R2208+8 and R2224 to connect switch AICs to HSBP PCIe SSD ports (SSD ports depend on installed location of the switch AIC).