Uses high-speed Solid State Drives (SSDs) as a caching tier in front of standard Hard Disk Drive (HDD) bulk storage.
Your (Windows Server, TrueNAS, Proxmox, ESXi?) The exact RAID level you are trying to configure If you already have an FBWC module installed
The P420i is a low-profile, onboard RAID controller that provides high performance for SAS and SATA drives. It can support RAID levels 0, 1, 1+0, 5, and 6 (Advanced Data Guarding - ADG). It typically ships with a Flash Backed Write Cache (FBWC) module, available in capacities like 1GB or 2GB, which protects cached data in the event of a power loss.
Advanced features often require a Flash Backed Write Cache (FBWC) module and a functional capacitor or battery kit to be active. hp smart array p420i license key new
Before requesting a license key, ensure you have the following information:
Always follow the license activation steps provided with the purchase documentation.
license key to enable advanced RAID levels and optimization tools. Hewlett Packard Enterprise Integrated Features: With firmware version 4.68 or later , HPE made many SAAP 2.0 features Uses high-speed Solid State Drives (SSDs) as a
Before attempting to input a new license key, your P420i controller must meet specific hardware requirements. The advanced software features cannot run on raw processing power alone.
This article cuts through the confusion. We will explain exactly what the P420i license is, which features require it, how to obtain a legitimate new key, and the modern alternatives that exist in 2025.
To obtain a new license key for the HP Smart Array P420i, you can: It typically ships with a Flash Backed Write
Use the arrow keys to navigate to or Manage License Keys . Select Add License Key .
: Most users can unlock these "new" advanced capabilities simply by updating the controller firmware to the latest available version (typically v8.32) rather than purchasing a new license key. Hewlett Packard Enterprise Community 2. Remaining Paid Features (SmartCache) While standard advanced RAID levels are now free, HPE SmartCache