The ASRock Radeon RX 6600 Challenger D 8GB GDDR6 Graphics Card comes with 8GB GDDR6 graphics memory and it features AMD RDNA 2 Architecture. This graphics card features PCI Express 4.0 support, with a throughput of 16 GT/s and enables two times the bandwidth compared to PCI Express 3.0. It has a dual-fan design. Two fans that provide strong cooling performance and make your gaming rig stay cool. It’s optimized for delivering an excellent gaming experience with a stylish and streamlined design. It is equipped with Striped Axial Fan that has been designed for enhanced airflow. It has a stylish metal backplate. This Gaming graphics card makes it fancier in visual and solid in construction. Otherwise, the thermal pad at the backside also helps to enhance thermal efficiency. The fan spins when the temperature goes high for optimal cooling and stops when the temperature goes low for complete silence. It offers 0dB of Silent Cooling. It adopts precise screw torque when assembling its graphics cards to optimize the cooler mounting pressure to improve thermal efficiency while avoiding damage to GPU die. The ASRock Radeon RX 6600 Challenger D 8GB GDDR6 Graphics Card comes with ASRock Tweak 2.0 and it provides smart fan speed control and instant performance tweaking. It supports the next generation 8K video output for the ultimate visual experience. The ASRock Radeon RX 6600 Challenger D 8GB comes with 2 years of warranty. Specification Video Memory Specifications Type GDDR6 Size 8GB Resolution 7680 x 4320 Core Clock Boost Clock: Up to 2491 MHz Game Clock: Up to 2044 MHz Base Clock: 1626 MHz Memory Clock 14 Gbps BUS Type PCI Express 4.0 Memory Interface 128-bit Stream Processors 1792 Interface Display Port 3 x DisplayPort 1.4 with DSC HDMI 1 x HDMI 2.1 VRR HDCP Yes Power Specifications Connectors 1 x 8-pin Recommended PSU 500W Display Option Multi Display 4 Application Programming Interfaces DirectX 12 Ultimate OpenGL 4.6 Physical Specifications Dimensions 269 x 132 x 41 mm Others 627 g Warranty Manufacturing Warranty 2 years ..