VisionTek Radeon R7 250 1GB GDDR5 (DVI-D, HDMI, VGA) Graphics Card - 900685 Graphics Engine: RADEON R7 250 Video Memory: 1GB GDDR5 Memory Interface: 128bit DirectX Support: 11.2 Bus Standard: PCI Express 3.0 Core Speed: 750MHz (800MHz Boost) Memory Speed: 900MHz x2 Warranty: Limited Lifetime