Home/Sapphire Launches Mining-Focused Radeon RX 570 with 16 GB of GDDR5 MemorySapphire Launches Mining-Focused Radeon RX 570 with 16 GB of GDDR5 Memory by January 23, 2019 Tweet Pin It About The Author Leave a Comment Cancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.