XFX Radeon HD 7770 Graphic Card - 1000 MHz Core - 1 GB GDDR5 SDRAM - PCI-Express 3.0 x16 - LL2944
XFX RADEON HD 7770 PCIE 1GB DDR5 DD HDMI DVI MINI DP DUAL FAN * 4500 MHz Memory Clock - 4096 x 2160 - CrossFireX - Fan Cooler - DirectX 11.0, DirectCompute 11, OpenGL 4.2, OpenCL 1.2 - HDMI - DisplayPort - DVI * 14