3rd Generation RT features of the GeForce RTX 4090 Gaming OC 24GB Graphic Card Cores: ray tracing performance up to 2X GeForce RTX ® 4090 is the power source. 24GB GDDR6X 384-bit memory interface is integrated. cooling system called WINDFORCE. Metal back plate for RGB Fusion Dual BIOS Protection bracket that prevents sagging Visuals Handling (Reference Card: 2520 MHz) GeForce RTXTM 4090 Core Clock 2535 MHz 21 Gbps Memory Clock 24GB of memory GDDR6X Memory Bus 384-bit Memory Type Click Here for Additional Information. GeForce RTX 4090 GAMING OC 24GB Graphic Card by GIGABYTE System of Wind Force Cooling High efficiency is achieved by the WINDFORCE cooling system, which includes three 110mm unique blade fans, ten composite copper heat pipes, a large vapor chamber that touches the GPU directly, 3D active fans, and screen cooling.