Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW
Lenovo ThinkSystem 2U x8/x8/x8 PCIe FH Riser 1
For ThinkSystem SR550/SR590/SR650. Key specifications include Compatibility: ThinkSystem SR550/SR590/SR650, Controller interface type: PCI-E 3.0 x8. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.