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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, Prime A520 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
ASUS Corporate Stable Model
ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.
Learn more about ASUS Corporate Stable Model >
* Lifecycle support for consumer chipsets (eg. Q370, H370, B360,H270,B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.
ASUS Control Center Express
ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.
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.
Cooler by Design
PRIME A520M-A is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.
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.
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.
Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.
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ASUS PRIME-A520M-A/CSM Prime A520M-A/CSM Desktop Motherboard AMD A520 Chipset Socket AM4
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Description
Specification
Media
Reviews
Description
Product Features:
- AMD Socket AM4 AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7
- PC micro ATX AMD A520 Realtek ALC887 7.1 channels
- DDR4-SDRAM 4 DIMM ECC Maximum internal memory: 128 GB
- HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 5
- BIOS type: UEFI AMI 256 Mbit Clear CMOS jumper
- Gigabit Ethernet
ASUS PRIME A520M-A/CSM motherboard AMD A520 Socket AM4 micro ATX
Socket AM4, AMD A520 Chipset, 4 x DDR4-SDRAM up to 128GB, LAN, 1 x RJ-45, 4 x SATA III, 1 x M.2(M), UEFI AMI, Micro ATX
ASUS PRIME A520M-A/CSM, AMD, Socket AM4, AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7, Socket AM4, DDR4-SDRAM, 128 GB
ASUS PRIME A520M-A/CSM. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. USB connector type: USB Type-A. Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek RTL8111H
Specification
Processor
Processor manufacturer
AMD
Processor socket
Socket AM4
Compatible processor series
AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7
Supported processor sockets
Socket AM4
Memory
Supported memory types
DDR4-SDRAM
Number of memory slots
4
Memory slots type
DIMM
Memory channels
Dual-channel
ECC
Yes
Supported memory clock speeds
2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800 MHz
Maximum internal memory
128 GB
Unbuffered memory
Yes
Storage controllers
Supported storage drive types
HDD & SSD
Supported storage drive interfaces
M.2, SATA III
Number of HDDs supported
4
Number of storage drives supported
5
RAID support
Yes
RAID levels
0, 1, 10
Graphics
Parallel processing technology support
Not supported
Internal I/O
USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
Number of SATA III connectors
4
S/PDIF out connector
Yes
Front panel audio connector
Yes
Front panel connector
Yes
ATX Power connector (24-pin)
Yes
Number of EATX power connectors
1
CPU fan connector
Yes
Number of chassis fan connectors
2
EPS power connector (8-pin)
Yes
Number of COM connectors
1
TPM connector
Yes
Rear panel I/O ports
USB 2.0 ports quantity
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
Ethernet LAN (RJ-45) ports
1
PS/2 ports quantity
1
VGA (D-Sub) ports quantity
1
HDMI ports quantity
1
DVI-D ports quantity
1
Headphone outputs
1
Microphone in
Yes
USB connector type
USB Type-A
Network
Ethernet LAN
Yes
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek RTL8111H
Wi-Fi
No
Features
Motherboard chipset
AMD A520
Audio chip
Realtek ALC887
Audio output channels
7.1 channels
Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Power source type
ATX
Windows operating systems supported
Windows 10 x64
Expansion slots
PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 3.x) slots
1
Number of M.2 (M) slots
1
BIOS
BIOS type
UEFI AMI
BIOS memory size
256 Mbit
Clear CMOS jumper
Yes
Weight & dimensions
Width
244 mm
Depth
244 mm
Packaging content
Cables included
SATA
Media
Reviews
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Disclaimer
Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
PCB color and bundled software versions are subject to change without notice.
Brand and product names mentioned are trademarks of their respective companies.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
*Precise specifications and features vary by model . Please refer to the specification page
The product (electrical , electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.
All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
PCB color and bundled software versions are subject to change without notice.
Brand and product names mentioned are trademarks of their respective companies.
The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
*Precise specifications and features vary by model . Please refer to the specification page
The product (electrical , electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
The use of trademark symbol (TM, ®) appears on this website means that the word text, trademarks, logos or slogans, is being used as trademark under common laws protection and/or registered as Trademark in U.S. and/or other country/region.