Q: Why do I need a license key for the HP Smart Array P420i? A: A license key is required to unlock advanced features and functionality, including advanced RAID configurations, HP SmartCache, and support for advanced drive types.
If you need to enable or caching for SSDs , check your exact controller variant (P420i vs P420) and consider an HPE Secure Encryption License — but that’s a different product entirely. hp smart array p420i license key new