Asus
Asus Prime A520M-A II/CSM Desktop Motherboard - AMD A520 Chipset - Socket AM4 - Micro ATX (primea520m-aii-csm)
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- SKU:
- 18355113
- MPN:
- primea520m-aii-csm
- Availability:
- Out of stock
- Stock Update:
- 12/09/2025 10:12:34 AM PST
- Stock Update:
- 12/09/2025 10:12:34 AM PST
Description
This item is brand-new, factory sealed.
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 supportAMD 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
PRIME
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.
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.
* 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. CPU
AMD RyzenTM 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Refer to www.asus.com for CPU support list. Chipset
AMD A520 ChipsetMemory
4800(OC)/4600(OC)/4466(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3333(OC)/3200/3000/2800/2666/2400/2133 MHz, Un-buffered Memory
Dual Channel Memory Architecture
- ECC Memory (ECC mode) support varies by CPU.
- Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. Graphics
1 x DisplayPort 1.2
1 x D-Sub
- Graphics specifications may vary between CPU types Expansion Slots
1 x PCIe 3.0 x16 (x16 mode)
AMD RyzenTM 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD A520 Chipset
2 x PCIe 3.0 x1 slots Storage
Supports 1 x M.2 slot and 4 x SATA 6Gb/s ports
AMD RyzenTM 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 and SATA modes)
AMD A520 Chipset
4 x SATA 6Gb/s ports
Support Raid 0, 1, 10 Ethernet
1 x Realtek 1Gb Ethernet USB
Rear USB:Total 6 ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB:Total 6 ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports Audio
Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC
- Supports : Jack detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback"
Audio Features
- Audio Shielding
- Premium Japanese audio capacitors
- Dedicated audio PCB layers
- A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. Back Panel I/O Ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMITM port
1 x D-Sub
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo port Intrernal I/O Connectors
Fan and cooling related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
1 x M.2 slot (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
2 x AURA Addressable Gen 2 header
2 x AURA RGB headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x SPI TPM header (14-1pin)
1 x 10-1 pin System Panel header Special Features
ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage Protection
- SafeSlot Core
- Stainless-Steel Back I/O
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
ASUS Thermal Solution
- VRM heatsink design
AURA Sync
- AURA RGB headers
- Addressable Gen 2 RGB headers Software Features
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
AI Suite 3
- Performance And Power Saving Utility
TurboV EVO
EPU
Digi+ VRM
Fan Xpert 2+
- EZ update
ASUS CPU-Z
AI Charger
DAEMON Tools
Norton Anti-virus software (Free Trial version)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode BIOS
128 Mb Flash ROM, UEFI AMI BIOS Manageability
WOL by PME, PXE Accessories
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O Shield
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x User manual Form Factor
microATX
24.4cm x 24.4cmItem Dimension (L inchxW inchxH inch)
11 x 11 x 3
Weight
3.00 lb
Warranty Information
3 Years
Features
Environmentally Friendly:
Yes
Restriction of Hazardous Substances (RoHS)
China
Yes
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Country of Origin:
China
Specs
| Physical Characteristics | |
| Form Factor | Micro ATX |
| Width | 9.6" |
| Depth | 9.6" |
| Warranty | |
| Limited Warranty | 3 Year |
| I/O Expansions | |
| Number of PCI Express x1 Slots | 2 |
| Total Number of Expansion Slots | 3 |
| Number of PCI Express x16 Slots | 1 |
| Total Number of PCI Express Slots | 3 |
| Memory | |
| Memory Technology | DDR4 SDRAM |
| Number of Memory Slots | 4 |
| Memory Speed Supported |
|
| Memory Form Factor |
|
| Maximum Memory Supported | 128 GB |
| General Information | |
| Brand Name | Asus |
| Manufacturer Website Address | http://usa.asus.com |
| Marketing Information | 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 PRIME 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. 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. 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. Optimize IT endpoint management Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely Automate IT maintenance Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility Securely manage all of endpoints Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices 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. |
| Product Type | Desktop Motherboard |
| Product Name | Prime A520M-A II/CSM Desktop Motherboard |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | PRIME A520M-A II/CSM |
| Product Model | A520M-A II/CSM |
| Product Line | Prime |
| Processor & Chipset | |
| Chipset Manufacturer | AMD |
| Processor Supported |
|
| Total Processor Supported | 1 |
| Processor Socket | Socket AM4 |
| Chipset Model | A520 |
| Onboard Interfaces | |
| Number of SATA Interfaces | 4 |
| Total Number of Onboard USB Ports | 6 |
| Number of Onboard USB 3.2 Ports | 2 |
| Number of M.2 Interfaces | 1 |
| Onboard S/PDIF Header | Yes |
| Number of Onboard USB 2.0 Ports | 4 |
| Interfaces/Ports | |
| VGA | Yes |
| DisplayPort | Yes |
| Number of USB 3.2 Ports | 4 |
| HDMI | Yes |
| Number of USB 2.0 Ports | 2 |
| Total Number of USB Ports | 6 |
| Number of Network (RJ-45) Ports | 1 |
| I/O Controller | |
| RAID Supported | Yes |
| Controller Type | Serial ATA/600 |
| RAID Levels |
|
| Video | |
| Onboard Video | CPU Dependent Video |
| Network & Communication | |
| Gigabit Ethernet | Yes |
| Audio | |
| Audio Channels | 7.1 |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Asus Prime A520M-A II/CSM Desktop Motherboard - AMD A520 Chipset - Socket AM4 - Micro ATX (primea520m-aii-csm)