The Cisco UCS M4308 Modular Chassis is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2016-12-02
End-of-Support Date: 2021-12-31
Cisco's End-of-Life Policy
You can view a listing of available Servers - Unified Computing offerings that best meet your specific needs
If you want support information for the Cisco UCS M4308 Modular Chassis documentation, it may be available through Cisco.com Search or in the Cisco Community