ATI AMD FirePro W4100 2GB GDDR5 4Mini DisplayPorts Low Profile PCI-Express Video Card 100-505979 Chipset: AMD FirePro W4100 Memory: 2GB GDDR5 Memory Interface: 128-bit Bus: PCI-Express 3.0 x16 Max. Resolution: 4096 x 2160, Support 4x Display Monitors Form Factor: Low profile