Hellhound AMD Radeon™ RX 6600XT 8GB GDDR6 AXRX 6600XT 8GBD6-3DHL/OC Features: 8GB GDDR6 Memory AMD FidelityFX AMD FidelityFX Super Resolution AMD FreeSync™ Technology AMD Infinity Cache AMD RDNA™ 2 Architecture AMD Smart Access Memory DirectX Raytracing (DXR) DirectX® 12 Ultimate HDMI™ 2.1 VRR PCIe® 4.0 Support Radeon™ Anti-Lag Radeon™ Boost Radeon™ Image Sharpening Specifications: General Graphics Engine AXRX 6600XT 8GBD6-3DHL/OC Video Memory 8GB GDDR6 Stream Processor 2048 Units Engine Clock(OC) up to 2382MHz(Game) up to 2593MHz(Boost) Engine Clock(STD/Silent) up to 2359MHz(Game) up to 2589MHz(Boost) Memory Clock 16.0 Gbps Memory Interface 128-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 220mm*132mm*45mm Minimum System Power requirement (W) 500W Extension Power Connector One 8-Pin PCI Express Power Connector