From the manufacturer
Powered by AMD RDNA 2 Radeon RX 6400 Integrated with 4GB GDDR6 64-bit memory interface WINDFORCE 2x Cooling System with alternate spinning fans Graphene nano lubricant PCIe 4.0 1x HDMI 2.1 1x DisplayPort 1.4. GIGABYTE Radeon RX 6400 EAGLE 4G graphics card delivers high frame rates. Get the ultimate gaming experience with powerful new compute units, and up to 4GB of dedicated GDDR6 memory. When paired with an AMD Ryzen Series desktop processor, AMD Smart Access Memory technology offers new levels of gaming performance.