The AFOX Radeon RX 550 4GB GDDR5 Dual Fan Graphics Card brings energy-saving solutions of Radeon Chill, native support for crucial next-generation API features, and the latest display technologies, like HDR and Radeon FreeSync 2. It features PCI Express 3.0 bus standard. This ensures your GPU stays cool. Radeon Chill dynamically regulates the framerate based on your in-game movements. AMD Radeon FreeSync technology puts an end to choppy gameplay and broken frames with a fluid, artifact-free performance at virtually any framerate. Behold the next breakthrough in PC gaming performance. Focus on the task at hand whether gaming, working, or relaxing. With a high-efficiency airfoil fan and cooling design, you will never be bothered by noise. It features AMD PowerTune technology. Intelligent power monitoring in the AMD Radeon graphics to enable higher clock better performance in your favorite games. AMD ZeroCore Power technology allows your AMD Radeon graphic to consume virtually no power when in an idle state. It even shuts down additional GPUs in AMD CrossFire. technology mode to consume less when they’re not in use. The AFOX Radeon RX 550 4GB GDDR5 Dual Fan Graphics Card offers 2 years warranty.