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MOTHERBOARDS

ASUS PRIME A520M-K ARGB

Global manufacturer specification

CPU socket
AM4
Chipset
AMD A520 Chipset
Form factor and dimensions
micro-ATX Form Factor 8.9 inch x 8.9 inch (22.6 cm x 22.6 cm)

PRIME A520M-K ARGB motherboard, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS PRIME A520M-K ARGB official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS PRIME A520M-E/CSM
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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Key strengths

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.

Manufacturer source
The checks that matter.

Before you buy

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.

Manufacturer source
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Works with

Products in this catalogue that list the same socket or memory type as the ASUS PRIME A520M-K ARGB. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Full specifications

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Exact configuration: Global manufacturer specification · PRIME A520M-K ARGB

13 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
AM4Source
Chipset
AMD A520 ChipsetSource
Form factor and dimensions
micro-ATX Form Factor 8.9 inch x 8.9 inch (22.6 cm x 22.6 cm)Source

Memory

1 item
Memory type, slots and limit
2 x DIMM slots, max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory* Dual channel memory architecture * ECC memory (ECC mode) support varies by CPU. * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.Source

Expansion slots

1 item
Expansion slots and restrictions
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors 1 x PCIe 3.0 x16 slot (supports x16 mode) AMD A520 Chipset 1 x PCIe 3.0 x1 slot - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.Source

Storage

1 item
Storage interfaces and restrictions
Total supports 1 x M.2 slot and 4 x SATA 6Gb/s ports AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD A520 Chipset 4 x SATA 6Gb/s portsSource

USB & rear connections

2 items
USB ports and headers
Rear USB (Total 6 ports) 4 x USB 5Gbps ports (4 x USB Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 6 ports) 1 x USB 5Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 3 additional USB 2.0 ports * USB Type-C® output (USB Type-C Current): max. 5V/3A.Source
Rear-panel ports
4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI™ port 1 x Realtek® 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard/mouse combo portSource

Networking

1 item
Network interfaces and requirements
1 x Realtek® 1Gb Ethernet ASUS LANGuardSource

Audio

1 item
Audio interfaces
Realtek® 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 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.Source

Power, cooling & lighting

1 item
Internal headers and 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 5Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 3 additional USB 2.0 ports Miscellaneous 3 x Addressable RGB Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System headerSource

BIOS, software & diagnostics

2 items
CPU support and BIOS requirements
AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors* * Refer to https://www.asus.com/support/download-center/ for CPU support list. BIOS: 16MB (128Mb) Flash ROM, UEFI AMI BIOS

Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

Source
Listed operating systems
Windows 11, Windows 10 64-bitSource
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