NVIDIA® GeForce RTXTM 4090 Bus Standard PCI Express 4.0 OpenGL OpenGL ® 4.6 Graphic Engine 24GB GDDR6X Engine Video Memory The clock OC mode: 2640 MHz 2610 MHz is the default mode (Boost Clock). CUDA Core 16384 Memory Interface Speed: 21 Gbps Digital Max Resolution: 7680 x 4320 at 384-bit Interaction Yes on two occasions (Native HDMI 2.1a) and three times (Native DisplayPort 1.4a). Yes, HDCP is supported (2.3). Maximum Support for Displays: 4 NVlink/Crossfire Support for No Accessories One Adapter Cable, one Speedsetup Manual, and one Collection Card One ROG Velcro Hook & Loop and one ROG Graphics Card Holder 1 x I'm grateful Software for Cards Please download all software from the support website, including the ASUS GPU Tweak III, GeForce Game Ready Driver, and Studio Driver. Measurements: 357.6 x 149.3