Gigabyte GV-R939G1 GAMING-8GD G1 Gaming Graphics Card AMD R9 390 512 Bit GDDR5 8GB 2xDVI/HDMI/3xDP AMD Radeon R9 390 GPU 0dB Semi-Passive Dual 90mm Fan Integrated with industry's best 8GB GDDR5 memory 512-bit memory interface Features Dual-link DVI-D / HDMI / DisplayPort 3 System power supply requirement: 600W