Red Devil AMD Radeon™ RX 6900 XT Ultimate 16GB GDDR6 AXRX 6900XTU 16GBD6-3DHE/OC Features: AMD FidelityFX AMD FreeSync™ Technology AMD RDNA™ 2 Architecture Dual BIOS, Performance Unlocked GDDR6 Memory HDMI™ 2.1 VRR Microsoft Windows® 10 Support Mute Fan Technology PCIe® 4.0 Support Radeon™ Anti-Lag Radeon™ Chill Radeon™ Image Sharpening Radeon™ VR Ready Premium Radeon™ WattMan UEFI Support Specifications: General Graphics Engine AXRX 6900XTU 16GBD6-3DHE/OC Video Memory 16GB GDDR6 Stream Processor 5120 Units Engine Clock(OC) up to 2235MHz(Game) up to 2425MHz(Boost) Engine Clock(STD/Silent) up to 2135MHz(Game) up to 2335MHz(Boost) Memory Clock 16.0 Gbps Memory Interface 256-bit DirectX® Support 12 Bus Standard PCIE 4.0 Standard Display Connectors 1 x HDMI 2.1 , 3 x DisplayPort 1.4 Feature Support OpenGL Support CrossFireX™ Technology Support (DirectX® 12/Vulkan™) AMD Stream Technology Support AMD Eyefinity Technology Support Maximum Resolution DisplayPort 7680×4320 HDMI 7680×4320 Power Specs + Board Dimensions Board Dimensions 320mm*135mm*62 mm Minimum System Power requirement (W) 900W Extension Power Connector Three 8-pin PCI Express Power connectors