Few years back AMD launches its Smart Access Memory(Resizable Bar) only to few selected high end Graphics Card. With their generosity, they now included our RX 5000 Series Card. Thank you AMD, we are really waiting for this update. For those of you who doesnt know SAM Technology, AMD Smart Access Memory enables AMD Ryzen processors to harness the full potential of the graphics card memory. Enjoy increased performance with all-AMD in your system for the ultimate gaming advantage. In conventional Windows-based PC systems, processors can only access a fraction of graphics memory (VRAM) at once, limiting system performance. With AMD Smart Access Memory, the data channel gets expanded to harness the full potential of GPU memory, utilizing the bandwidth of PCI Express® to remove the bottlenecks and increase performance. Note: As of September 17, 2019, after installing the 21.9.1 radeon update, some of the users experienced unable to launch the Ryzen Master Software. To troubleshoot this, youll just need to uninstall your Ryzen Master Software, Chipset Driver, Go to Reg Edit - Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services, delete \AMDRyzenMasterDriverV19, then install the updated chipset from AMD then the Ryzen Master Software. It will now work perfectly fine