ASUS ROG STRIX B550-I GAMING AM4 Mini-ITX Motherboard, Storage 2x M.2 Slots & 4 SATA 6Gb/s Connectors, Network Intel® Wi-Fi 6 AX200, BT 5.1 & Intel® I225-V 2.5Gb LAN, SupremeFX 7.1 Surround Sound High Definition Audio CODEC S1220A, Rear USB Ports 4x USB 3.2 Gen 2 (1x USB-C), 1x USB 2.0 & 1x USB 2.0 (Audio USB Type-C), Memory 2x DDR4 DIMM Slots (64GB, 5000 MHz O.C), Expansion Slots 1x PCIe 4.0 x16 (x16 Mode). ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end ROG Strix X570 Gaming series, including the latest PCIe® 4.0.