Sapphire AMD FirePro W4100 2GB GDDR5 Quad Mini DP PCI-Express Graphics Card 100-505817 Chipset: AMD FirePro W4100 Memory: 2GB GDDR5 GPU: 512 Shader Units Max. Resolution: 4096 x 2160 Microsoft Windows8.1/ 8/ 7/ Vista and Linux (32-bit or 64-bit) Form Factor: Low profile 128-bit memory interface 72 GB/s memory bandwidth Four Mini Display Port 1.2 outputs AMD Infinity multi-display technology 4K display resolution (up to 4096x2160) 512 stream processors (8 CUs) 645.1 GFLOPS peak single precision; 40.3 GFLOPS peak double precision Low Profile form factor; Low Power Consumption, Max Power 50W