While community discussions often mention "repacks" or unauthorized keys, these methods are often unreliable and violate the HPE End User License Agreement (EULA)
HP SmartCache is a controller-based caching solution that uses SSDs to accelerate read/write performance on HDD volumes. It is typically a licensed feature of HP Smart Array controllers (like the P420, P430, P440, etc.). The "Repack": hp smartcache license key repack