If you need features not covered by the base firmware, you typically look for these specific licenses: HP Smart Array SR SmartCache:
: Unlike SAAP 2.0, SmartCache generally still requires a valid, unique license key for activation on the P420i. Because Gen8 servers are now "legacy," these keys are increasingly difficult to buy through official HPE channels , leading many users to search for evaluation keys or decommissioned licenses on secondary markets. HP Smart Array Advanced Pack hp smart array p420i license key
Because the controller is integrated, the licensing cost is often viewed as a "feature unlock" rather than a hardware purchase, leading to a unique dynamic in how the server is provisioned. If you need features not covered by the
Without the license key, the P420i works perfectly for standard RAID setups. You only need the key if you plan to use SSD caching or want maximum SSD performance. Without the license key, the P420i works perfectly
This is the most complex part of the process. HPE officially discontinued ProLiant Gen8 support in 2023 (End of Support Life). Officially purchasing a new license is nearly impossible.