Look for Radeon_RAMDisk_11_0_0_7.msi . Check the MD5 hash against known good archives. Warning: Only download from reputable archival sites, not "warez" forums.
: Allows users to create a single RAM disk up to 4GB . If the system uses AMD Radeon branded memory, this limit is increased to 6GB . Radeon Ramdisk License Key 11
A polished, modern alternative. It offers a free 30-day trial (no license key 11 required) and handles disks up to your available RAM limit. Look for Radeon_RAMDisk_11_0_0_7
These paid tiers require a unique license key to unlock larger disk capacities, ranging from 12GB to 64GB or more. Why "License Key 11"? Radeon Ramdisk License Key 11
(not “License Key 11”)