Specifications

• Model: ASUS Prime A520M-K/CSM
• Form Factor: Micro-ATX (mATX)
• Chipset: AMD A520
• Socket: AM4
• Compatible Processors:
  • AMD Ryzen 5000 Series
  • AMD Ryzen 4000 G-Series
  • AMD Ryzen 3000 Series (except Ryzen 3200G & 3400G)

Memory

• Slots: 2 x DDR4 DIMM slots
• Maximum Capacity: Up to 64GB
• Supported Speeds: Up to DDR4-4600 (OC)

Storage

• M.2 Slots: 1 x M.2 (PCIe 3.0 x4 & SATA)
• SATA Ports: 4 x SATA III (6Gbps)

Expansion Slots

• PCIe x16: 1 x PCIe 3.0 x16 (supports x16 mode)
• PCIe x1: 1 x PCIe 3.0 x1

Graphics Output

• Ports:
  • 1 x HDMI (Supports up to 4K @ 60Hz)
  • 1 x D-Sub (DB15/VGA)

(Requires an APU with integrated graphics for video output)

Audio & Networking

• Audio: Realtek ALC887 7.1-Channel HD Audio
• Ethernet: Realtek RTL8111H Gigabit LAN

Rear I/O Ports

• USB Ports:
  • 2 x USB 3.2 Gen 1 (Type-A)
  • 4 x USB 2.0
• Video Ports: HDMI, D-Sub (VGA)
• Other:
  • 1 x PS/2 (Keyboard/Mouse Combo)
  • 3 x Audio Jacks (Line-In, Line-Out, Mic-In)
  • 1 x RJ45 (LAN)

Internal Connectors

• Fan Headers: 1 x CPU Fan, 1 x Chassis Fan
• RGB Header: 1 x Aura Sync RGB Header
• Front Panel Connectors: USB 3.2, USB 2.0, Audio, Power/Reset

Other Features

• BIOS: ASUS UEFI BIOS
• Durability: ASUS Corporate Stable Model (CSM) Program for long-term reliability