Sapphire AMD FirePro W2100 2 GB DDR3 Dual DP PCI-Express 100-505821 Chipset: AMD FirePro W2100 Memory: 2GB GDDR3 GPU: 320 Shader Units Max. Resolution: 4096 x 2160 Microsoft Windows8.1/ 8/ 7/ Vista and Linux (32-bit or 64-bit) 128-bit memory interface 28.8 GB/s memory bandwidth Two Display Port 1.2 outputs 4K display resolution (up to 4096x2160) 320 stream processors (5 CUs) 403.2 GFLOPS peak single precision 25.5 GFLOPS peak double precision Low Profile form factor; Low Power Consumption, 26W Max Board Power