GPU AMD Radeon™ RX 6400 Graphics Card 6nm GPU AMD RDNA™ 2 Architecture Engine Clock Boost Clock: Up to 2321 MHz Game Clock: Up to 2039 MHz Stream Processors 768 Infinity Cache 16MB Ray Accelerators 12 Memory Size/Bus 4GB GDDR6 Memory Clock 16 Gbps Effective Displays Maximum 2 Displays Resolution HDMI™: 7680×4320 DisplayPort1.4: 7680×4320 Interface PCI-Express 4.0 Output 1x HDMI 1x DisplayPort BIOS Support UEFI Game Index 1080P Sapphire Features Fuse Protection Axial Fan Cooling Technology TriXX Supported TriXX Boost ATX Bracket Accessory AMD Features AMD RDNA 2 Gaming Architecture DirectX 12 Ultimate support AMD Smart Access Memory Technology AMD Infinity Cache Memory Technology 6nm GPU PCI Express 4.0 Support AMD FreeSync Technology DisplayPort 1.4 with DSC HDMI support Video Streaming up to 8K AMD Radeon VR Ready Premium AMD FidelityFX AMD Radeon Image Sharpening AMD Radeon Anti-Lag AMD Software: Adrenalin Edition Game Driver Optimizations Cooling Axial Fan Cooling Form Factor 1 slot, ATX Low Profile Dimension: 170(L)X 56.2(W)X 17.2(H)mm Power Consumption 55W (Board Power) OS Linux®, Windows® 7*, Windows® 10, and Windows 11 64-bit operating system required Minimum 350 Watt Power Supply PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard. Minimum 8GB of system memory. 16GB recommended. A display with HDMI or DisplayPort is required