The XFX Radeon RX 470 RS Black Edition 4GB features 1256MHz boost GPU clock, 4GB 256-bit GDDR5 memory, PCI-E 3.0, 2048 stream processors, XFX backplate, integrated VRM heatsink, 3 composite 8mm heatpipes, XL inductor, Smart Silent Cooling Technology, semi digital PWM power, dual BIOS and DirectX 12 support. Features 3x DisplayPort, 1x HDMI and 1x DVI. 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.