ASUS PRIME A520M-K AMD A520 Micro ATX Motherboard
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About This Item
- AMD A520 micro ATX motherboard for Ryzen 3/5/7 processors
- Supports DDR4 memory up to 64 GB with dual-channel configuration
- Features M.2 and SATA III storage interfaces with RAID 0/1/10 support
- Includes HDMI 2.1, Gigabit Ethernet, and 7.1 audio output
- Compact 226 x 221 mm form factor with extensive connectivity options
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ASUS PRIME A520M-K | Compact AMD AM4 Micro ATX Motherboard
The ASUS PRIME A520M-K AMD A520 Socket AM4 micro ATX motherboard delivers reliable performance for AMD Ryzen™ processors in a compact micro ATX form factor. Engineered for everyday computing and DIY PC builds, it combines robust power delivery with comprehensive cooling controls and intuitive tuning options via the UEFI BIOS.
Product Specifications
| Metric | Spec. |
|---|---|
| Processor Socket | AM4 |
| Memory Support | DDR4, up to 64 GB |
| Form Factor | micro ATX |
| Storage Interfaces | M.2, SATA III |
| USB Ports | 4x USB 3.2 Gen 1, 2x USB 2.0 |
| Network | Gigabit Ethernet |
| Audio | Realtek ALC887/ALC897, 7.1 CH |
| BIOS | UEFI AMI |
Built for Ryzen™ Performance
The ASUS PRIME A520M-K supports AMD Ryzen™ 3, 5, and 7 processors on the AM4 socket, making it ideal for everything from office productivity to light gaming. With dual-channel DDR4 memory support up to 64 GB and speeds reaching 4866 MHz, you get responsive multitasking without bottlenecks.
Smart Cooling for Stable Operation
Comprehensive cooling controls keep your system stable under load. The motherboard features hybrid fan headers configurable through Fan Xpert software or the UEFI BIOS, plus a dedicated CPU fan connector. This ensures optimal thermal management whether you’re working through documents or running demanding applications.
Flexible Storage Options
With one M.2 slot supporting PCIe 3.0 x4 and four SATA III ports, the PRIME A520M-K accommodates both ultra-fast NVMe drives and traditional HDDs or SSDs. RAID 0, 1, and 10 configurations are supported, giving you flexibility for performance or data redundancy setups.
Connectivity That Keeps You Connected
Four USB 3.2 Gen 1 Type-A ports deliver fast data transfer speeds for external drives and peripherals, while the Gigabit Ethernet LAN ensures reliable wired internet connectivity. The HDMI 2.1 port provides modern display output, though Wi-Fi is not built-in on this model.
Box contents
- ASUS PRIME A520M-K motherboard
- SATA cables (quantity as specified)
- I/O shield
- User manual and warranty documents
Key points to check
- Confirm your AMD Ryzen™ processor is compatible with the AM4 socket
- Verify your case supports micro ATX motherboard dimensions (226 x 221 mm)
- Check that your power supply has the necessary connectors (24-pin ATX, 8-pin CPU)
- Ensure you have DDR4 memory modules for installation
Common questions
What processors work with this motherboard?
Does this motherboard have built-in Wi-Fi?
How many RAM slots are available?
Can I install an M.2 SSD?
What audio features does it include?
Summary & warranty
The ASUS PRIME A520M-K AMD A520 Socket AM4 micro ATX motherboard offers excellent value for users building compact AMD Ryzen™ systems. Its combination of reliable performance, comprehensive cooling controls, and flexible storage options makes it suitable for home office setups, media centers, or budget-conscious gaming builds. Covered by the applicable manufacturer warranty.
| 12V power connector | Yes |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 1 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of EATX power connectors | 2 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 1 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7 |
| Processor socket | Socket AM4 |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4866 MHz |
| Maximum internal memory | 64 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 1, 10 |
| Number of storage drives supported | 5 |
| RAID support | Yes |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 4 |
| USB connector type | USB Type-A |
| USB 2.0 ports quantity | 2 |
| VGA D-Sub ports quantity | 1 |
| PS/2 ports quantity | 1 |
| Microphone in | Yes |
| Headphone outputs | 3 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| Wake-on-LAN ready | Yes |
| LAN controller | Realtek RTL8111H |
| Motherboard chipset family | AMD |
| Supported processor sockets | Socket AM4 |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Audio chip | Realtek ALC887, Realtek ALC897 |
| Number of M.2 M slots | 1 |
| PCI Express x1 Gen 3.x slots | 2 |
| PCI Express x16 Gen 3.x slots | 1 |
| BIOS type | UEFI AMI |
| Clear CMOS jumper | Yes |
| BIOS memory size | 256 Mbit |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Harmonized System HS code | 84733020 |
| Width | 226 mm |
| Depth | 221 mm |
| Cables included | SATA |
| Distributor SKUs | MBD-90MB1500-M0EAY0, 5822794, 119291, PRIME A520M-K, STD10016958, CL90MB1500-M0EAY0 |








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