Sapphire AMD FirePro V4900 1GB GDDR5 Dual DP/DVI-I PCI-Express Graphics Card Graphics Cards 100-505844 AMD Eyefinity multi-display technology 1x Dual-Link DVI 2x Display Port 1.2 128-bit memory interface 64 GB/s memory bandwidth 40962160 Pixel Display Port Resolution 25601600 Pixel Dual Link DVI Resolution19201200 Pixel Single Link DVI Resolution 19201200 Pixel Single Link DVI Resolution