ASUS TUF GAMING B550-PLUS Wi-Fi AM4 ATX Motherboard – Memory Support: 4x DDR4 DIMM Slots (Max 128GB) – Supports AMD 2-Way CrossFireX – Expansion Slots : 1x PCIe 4.0 x16, 1x PCIe 3.0 x16, 1x PCIe 3.0 x16 (x4 Mode) & 3x PCIe 3.0 x1 – Storage Support: 3x M.2 Socket 3 & 6x SATA 6Gb/s Connectors – Supports Raid 0, 1, 5 & 10 – Network: Realtek RTL8125B 2.5Gb Ethernet + Intel WiFi 6 AX200 – Rear USB Ports: 2x USB 3.2 Gen 2 (1x C, 1x A), 4x USB-A 3.2 Gen 1, 2x USB 2.0 – 3 Years Limited Warranty