Brand New RTX 4090 Gigabyte Gaming OCGraphics Processing GeForce RTX 4090 Core Clock 2535 MHz (Reference Card: 2520 MHz) CUDA Cores 16384 Memory Clock 21 Gbps Memory Size 24 GB Memory Type GDDR6X Memory Bus 384 bit Card Bus PCI E 4. 0 x 16 Digital max resolution 7680x4320 Multi view 4 Card size L=340 W=150. 2 H=75. 2 mm PCB Form ATX DirectX 12 Ultimate OpenGL 4. 6 Recommended PSU 1000W Power Connectors 16 pin*1 Output DisplayPort 1. 4 *3 HDMI 2. 1 *1