ASUS PRIME A520M-A II/CSM Corporate Stable Motherboard

The ASUS PRIME A520M-A II/CSM is a micro ATX motherboard engineered for business environments requiring long-term stability and reliable IT management. Built on the AMD A520 chipset with AM4 socket compatibility, this Corporate Stable Model delivers consistent performance for Ryzen 5000, 4000 G-Series, and 3000 Series processors.

Corporate Stable Model Benefits

This CSM motherboard provides up to 36-month product lifecycle support with 6-month end-of-life notices, allowing organizations adequate time for product transitions. Each unit includes ASUS Control Center Express, server-grade IT management software designed to optimize endpoint management, automate maintenance schedules, and securely manage device configurations across corporate networks.

Memory and Expansion

Four DDR4 DIMM slots support dual-channel memory up to 128GB, with speeds reaching 4866MHz when overclocked. The board features one PCIe 3.0 x16 slot and two PCIe 3.0 x1 slots for expansion cards. Storage options include four SATA III ports and one M.2 slot (2242/2260/2280) supporting both SATA and PCIe protocols, with RAID 0, 1, and 10 configurations available.

Display and Connectivity

Integrated graphics support includes three display outputs: VGA, HDMI, and DisplayPort, enabling multi-monitor configurations. The rear I/O panel provides four USB 3.2 Gen1 ports, two USB 2.0 ports, Realtek 1Gb Ethernet, three audio jacks, and a PS/2 combo port. Internal headers offer additional USB 3.2 Gen1 and USB 2.0 connectivity.

Cooling and Power Design

The motherboard incorporates VRM and PCH heatsinks for thermal management, complemented by Fan Xpert 2+ technology. Three fan headers (one 4-pin CPU fan, two 4-pin chassis fans) provide comprehensive cooling control. The power delivery system uses a 24-pin main connector and 8-pin +12V CPU power.

RGB Lighting and Customization

Aura Sync RGB support includes onboard RGB headers and addressable Gen 2 headers for LED strip integration, allowing synchronization with compatible hardware. The board offers flexible tuning options through intuitive software and firmware features for performance optimization.

Package Contents

Retail package includes two SATA 6Gb/s cables, I/O shield, M.2 SSD screw package, support DVD, and user manual. The motherboard is backed by a 3-year warranty.

AMD A520 (Ryzen AM4) micro ATX motherboard with M.2, DP, HDMI,D-Sub, SATA 6 Gbps, USB 3.2 Gen 1 ports, and Aura Sync RGB lighting support

• AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
• Ultrafast connectivity: M.2 support,1 Gb Ethernet, USB 3.2 Gen 1 Type-A
• Aura Sync RGB: Onboard RGB headers and addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware
• ASUS Control Center Express (ACCE) for easier IT endpoint management

Description

Specification

• Motherboard Type: Desktop
• Form Factor: Micro ATX
• Socket: AMD AM4
• Chipset: AMD A520
• #Hide#DDR Type: DDR4
• CPU Support: Click here for CPU support
• RAM Technology: DDR4 (Dual Channel)
• RAM Slots: 4 x DIMM
• RAM Speeds: Up to 4866(OC)
• Maximum Memory: 128GB
• Graphics: Integrated Graphics Processor*
  
  Graphics specifications may vary between CPU types
• Graphics Ports: 1 x VGA
  1 x HDMI
  1 x DisplayPort
• PCI/PCI Express: 1 x PCIe 3.0 x16 (supports x16 mode)
  2 x PCIe 3.0 x1
• Storage: 4 x SATA III
  1 x M.2 (2242/2260/2280) - SATA & PCIe
• RAID: "RAID 0, 1, 10"
• Wireless: -
• LAN: GB LAN
• Audio: -
• USB Ports Supported: "6 x USB 3.2 Gen1 (4 at back, 2 at mid-board)
  6 x USB 2.0 (2 at back, 4 at mid-board)"
• Back Panel I/O Ports: 4 x USB 3.2 Gen1 Type-A
  2 x USB 2.0 Type-A
  1 x DisplayPort
  1 x HDMI
  1 x D-Sub
  1 x Realtek 1Gb Ethernet
  3 x Audio jacks
  1 x PS/2 Keyboard/Mouse combo
• Internal I/O Connectors: 1 x 4-pin CPU Fan
  2 x 4-pin Chassis Fan
  1 x 24-pin Main
  1 x 8-pin +12V
  1 x M.2 (Key M)
  4 x SATA 6Gb/s
  1 x USB 3.2 Gen1
  2 x USB 2.0
  2 x AURA Addressable Gen2
  2 x AURA RGB
  1 x Clear CMOS
  1 x COM Port
• .: 1 x Front Panel Audio
  1 x S/PDIF Out
  1 x Speaker
  1 x SPI TPM (14-1pin)
  1 x 10-1 pin System Panel
• Accessories: 2 x SATA 6Gb/s cables
  1 x I/O Shield
  1 x M.2 SSD screw package
  1 x Support DVD
  1 x User manual
• Additional Features: See Overview
• Package Type: Retail
• Package Weight: 1.1000 kg
• Warranty: 3 Years
• #Hide#M.2 Slot(s): Yes (M.2)
• #Hide#No. LAN Ports: 1 x LAN
• #Hide#Max LAN Speed: GB LAN