Manic Gamer AMD Radeon R9 390 Supercool 8GB DDR5 512bit Graphic Card

Brand new design of AMD R9 390 Graphics Card by Manic Gamer. This new design is to improve heat dissipation to give you card temps as low as 50°C during Game play. With a dual Aluminum Heat Sink design and 3 fans you will see extremely low temperatures. Our cards also have a solid back plate and custom heat sinks for all heat producing components on the motherboard. Fully supports Direct X12 and OpenGl 4.4 Takes up 2 GPU slots and uses x16 Gen 3 with backward compatibility for Gen 2, lower performance). FurMark Test 4k Stress Test showed 75 frames average at 55C max temp. Ambient room temperature 74F. Comared to NVidia GTX 1070 or 1080 and other R9 390 and R9 390x cards we run 20 to 40 degrees Celsius cooler than our competitors while maintaining a near zero noise level. So quiet that computer and max your FPS because it is gaming time for PC. If used for mining set Ethos to 950Mhz CPU and 1000 Mhz Memory. Leave Power limit alone or set to 50. For fan speed we use between 35 to 50% depending on ambient air temp. This will give you the most stable mining.