The XFX Radeon RX GTR Black 8GB features 1338MHz GPU clock, 8GB 256-bit GDDR5 memory, PCI-E 3.0, 2304 stream processors, XFX backplate, integrated VRM heatsink, 4 composite heatpipes, XL inductor, Smart Silent Cooling Technology, full digital PWM power, dual BIOS, VR Ready, DirectX 12 support, OpenGL 4.5 support, AMD FreeSync technology, HDMI 2.0b, 3x DisplayPort 1.4 and more. The Polaris architecture precisely combines the latest 14nm FinFET process and AMD's advanced power, gating and clocking technologies for a superior cool and quiet gaming experience. Backed by a 3 year XFX warranty.