ASUS PRIME A520M-A AMD AM4 Micro ATX Motherboard

ASUS Prime series is expertly engineered to unleash the full potential of AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime A520 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

  • 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
  • Tune it your way
    Comprehensive controls form the foundation of the ASUS Prime series. The Prime A520 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work - maximizing your productivity.
  • Cool to the core
    PRIME A520M-A II is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
  • VRM heatsink and thermal pad
    A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs for better cooling performance.
  • Build on a solid foundation
    Prime A520 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.
  • Achieve speed with onboard M.2
    M.2 slot supports up to 2280 and data-transfer speeds of up to 32 Gbps via x4 PCI Express 3.0 bandwidth. It's the perfect choice for an operating system or application drive, providing fast access to data.
  • Little things make a big difference
    Prime A520 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.
  • Combined onboard features deliver elevated audio
    Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.
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Core Specifications
Edition PRIME A520M-A II
Form Factor MicroATX
CPU Socket AM4
Chipset AMD A520
RAM Memory Support
Memory Type DDR4
Memory Channel Dual (2)
Memory Type (ECC) ECC
Memory Type (R/U) UDIMM (Unbuffered)
Memory Speed (Mhz)
  • DDR4 - 2133
  • DDR4 - 2400
  • DDR4 - 2666
  • DDR4 - 2800
  • DDR4 - 3000
  • DDR4 - 3200
  • DDR4 - 3333(OC)
  • DDR4 - 3466(OC)
  • DDR4 - 3600(OC)
  • DDR4 - 3733(OC)
  • DDR4 - 3866(OC)
  • DDR4 - 4000(OC)
  • DDR4 - 4133(OC)
  • DDR4 - 4266(OC)
  • DDR4 - 4400(OC)
  • DDR4 - 4466(OC)
  • DDR4 - 4600(OC)
  • DDR4 - 4800(OC)
  • DDR4 - 4866(OC)
Max. Memory Capacity 128GB (4x32GB)
Audio
Audio Realtek ALC887 7.1 HD Audio
Graphics Support
Primary GPU Interface PCIe 3.0 (x16)
NVIDIA SLI Support N/A
AMD CrossFire Support N/A
Integrated Graphics  
On-Board Graphics Connectors
  • D-Sub (VGA)
  • DisplayPort
  • HDMI
Internal Connectivity
Expansion Slots
  • 1 x M.2, 22-42/60/80/110, PCIe Gen3x4/SATA3
  • 2 x PCIe 3.0 x1
  • 1 x PCIe 3.0 x16
  • 4 x SATA 6GB/s
SATA Support SATA3 / M.2
RAID Support via  
Storage Mode Support
  • RAID 0
  • RAID 1
  • RAID 10
Internal I/O
  • 1 x 24-pin (Power)
  • 2 x 4-pin CHA_FAN connector
  • 1 x 4-pin CPU Fan Connector
  • 1 x 8-pin (Power)
  • 2 x Aura Addressable Gen2 Header
  • 2 x Aura RGB Header
  • 1 x Clear CMOS jumper
  • 1 x Front Panel Audio Header
  • 1 x M.2
  • 1 x S/PDIF-Out Header
  • 4 x SATA III - 6Gb/s
  • 1 x Serial (COM) Header
  • 1 x speaker header
  • 1 x System panel connector
  • 1 x TPM (SPI_TPM) header
  • 2 x USB 2.0 Header
  • 1 x USB 3.2 Gen1 Header
External Connectivity
Network Interface Type Wired Gigabit LAN (10/100/1000)
Network Chip/Modules 1 x Realtek RTL8111H (Gigabit LAN)
Rear I/O Connectors
  • 1 x DisplayPort
  • 1 x DVI-D
  • 1 x HDMI
  • 1 x Headphone-Out
  • 1 x Line In
  • 1 x Mic-In
  • 1 x PS/2 Keyboard/Mouse Combo
  • 1 x RJ-45
  • 2 x USB 2.0
  • 4 x USB 3.2 Gen1 Type-A
  • 1 x VGA
Additional Specifications
Water Cooled No
Cooling Passive Heatsinks
QPI Speed N/A
Board Dimensions 244 x 244 mm
SKU MBA-A520M-A-II-PRIME
Brand ASUS
Unit Of Measure ea

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