• Part Number AXR7 250 2GBK3-HE/OC • Graphics Engine R7 250 • Video Memory 2GB DDR3 • Stream Processor 384 Units • Engine Clock 1030MHz • Boost Clock 1080MHz • Memory Clock 900MHz x2 • Memory Interface 128bits • Bus Standard PCIE 3.0 • Display Connectors SL-DVI-D/HDMI/VGA • Form Factor ATX • Cooler 1.5 slot Fan Sink • Crossfire Support YES (Software CrossFire)• OpenGL 4.2• DirectX Support 11.2• Minimum System Power Requirement (W) 400W