PCI-E Expansion Riser Card for R710 Server — Compatible with 0R557C / 0R559C (R557C R559C CN-0R557C CN-0R559C)

Replacement PCI-E expansion riser board engineered for R710 servers. This riser is compatible with part numbers 0R557C and 0R559C and is also listed under R557C, R559C, CN-0R557C and CN-0R559C. Use it as a direct replacement to restore or expand your R710 server’s PCI‑E slot functionality.