ASUS PRIME A520M-E AM4 Micro-ATX Motherboard, AMD A520 Chipset, Storage 4x SATA 6Gb/s Connectors & 1x M.2 Slot, Supports RAID 0, 1, 10, Network 1x Realtek RTL8111H 1Gb Ethernet, Rear USB Ports 1x USB-A 3.2 Gen 2, 4x USB-A 3.2 Gen 1 & 2x USB 2.0, Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC, Memory 2x DDR4 DIMM Slots, Expansion Slots 1x PCIe 3.0 x16 & 2x PCIe 3.0 x1. ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options.