The testers removed the NVIDIA restriction -. DLSS Frame Generation worked on old RTXs, which the company never gave official support to. NVIDIA explained the exclusivity with the "hardware features" of the RTX 40. Hardware Unboxed tested the MFG Unlocker mod on RTX 3090: in 2x mode, the image and smoothness were close to RTX 5090; 4x mode is now available in Cyberpunk 2077, and 6x in Crimson Desert mode. RTX 20 support is still experimental. The mod can be installed using OptiScaler:.