VisionTek Radeon R9 390 8GB GDDR5 4M (2x DVI-D, DP, HDMI) Graphics Card - 900809 Advanced GDDR5 Memory Technology: The highest memory bandwidth available today enables higher GPU performance. PCI Express 3.0: Get the maximum performance from your GPU when paired with the latest platforms. DirectX 12: Microsoft's new technology enables great performance and dramatically improved GPU and CPU multiprocessing and multithreading performance AMD Eyefinity Technology: Expand your territory and customize your field of vision. Connect up to four displays on a single GPU for dynamic, panoramic multi-screen gaming. You'll get an expansive experience that's truly out of sight. 4K Ultra HD Support: With support for 3840 x 2160 output via the HDMI port and 4096 x 2160 via the Displayport, textures and other detail normally compressed for lower resolutions can now be shown in full pixels per inch of screen definition. 512-Bit Memory Bus: High-bandwidth bus interface delivers the performance needed for a better 4K experience; wider is better VSR (Virtual Super Resolution): Get quality that rivals 1440p, even on a 1080p display while playing your favorite games thanks to AMD's VSR.