Sapphire AMD FirePro W8100 8GB GDDR5 Quad DP/Stereo 3-Pin Din PCI-Express Graphics Card 100-505738 Chipset: AMD FirePro W8100 Engine Clock: 824 MHz Memory: 8GB GDDR5 Memory Interface: 512-bit 512-bit memory interface 320 GB/s memory bandwidth Four Display Port 1.2 outputs AMD Infinity multi-display technology 4K display resolution (up to 4096x2160) 2560 stream processors (40 CUs) 4.2 TFLOPS peak single precision 2.1 TFLOPS peak double precision