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
The 4X90S91831 is a Lenovo industrial component. Key specifications include Weight: 44 g, Internal: No, Interface: Ethernet, Host interface: USB Type-C, Product colour: Black, Connectivity technology: Wired. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.