Upgrading from the free version to a licensed "Xtreme" edition provides several advantages: [Discussion] What is AMD Radeon RamDisk? : r/buildapc

For enterprise deployments, licenses can start at approximately $39 USD . Key Benefits of the Licensed Version

Available for all users, this version allows for a RAMDisk up to 4GB .

A commercial license key is required to create disks up to 64GB . This version typically costs around $19.00 – $21.99 USD .

Basically, it reserves some of your system ram as storage space. You can store and access files from that space extremely quickly, Reddit·r/buildapc