30.4x24.3cm CPU type: AMD Ryzen/7th generation A series/Athlon II/Athlon Memory capacity:64GB Main chipset:AMD B350 PCI-E standard：PCI-E 3.0 Memory interface: 1xM.2 interface, 4xSATA III interface Memory description: Supports dual-channel DDR4 1866/2133/2400/2667 (OC)/2933 (OC)/3200 (OC) MHz memory Please note ! Dear buyer, thank you for visiting our page. We will provide you with the best service and high quality products. We promise that all items will be carefully tested before shipment to ensure 100% working properly in the order. If you have any questions about our items, please feel free to contact us. Due to time difference, we may delay a few hours to reply you, thank you very much for your understanding.