ASRock B850M-X AM5 AMD B850 SATA 6Gb/s Micro ATX Motherboard Number of Memory Slots: 2x288pin (DDR5) Memory Standard: Up to 8200+(OC) Audio Chipset: Realtek ALC897 PCI Express x1: 1 x PCIe 4.0 x1 Slot (PCIE2)* PCIE1 will run at Gen4x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors. Supports NVMe SSD as boot disks Audio Channels: 7.1 Channels Max LAN Speed: 2.5Gbps Maximum Memory Supported: 128GB Channel Supported: Dual Channel