Description: 🛠️ ASUS PRIME A520M‑K Motherboard. Form Factor: Micro‑ATX (compact size). Socket: AMD AM4 (for Ryzen 5000/4000G/3000 series). Chipset: AMD A520 (entry‑level). 🧠 Memory (RAM) Support: DDR4‑DIMM only, 2 slots, up to 64GB total. Supported Speeds: 2133 to 4600+ MHz (OC). Dual‑Channel supported. ❗ Important: Only supports DDR4. Old DDR3 RAM will not work. 🔌 Expansion: 1 × PCIe 3.0 ×16, 2 × PCIe 3.0 ×1. Storage: 4 × SATA 6Gb/s, 1 × M.2 slot (NVMe & SATA). 🖥️ Connectivity: HDMI 2.1 + D‑Sub (VGA), USB 3.2 Gen 1, Realtek Gigabit Ethernet, 7.1‑channel Audio. 🔋 CPU Compatibility: Supports AMD Ryzen 3000, 4000G, and 5000 series. (*Check ASUS support list/BIOS updates). ✅ Quick Summary: Socket: AMD AM4; Chipset: AMD A520; RAM: DDR4 only; Max RAM: 64GB. 🧠 Important Memory Note: You must use DDR4 modules (e.g., DDR4-2400, 3200, 3600). DDR3 will not fit.