| Basic Information | |
| Supported CPU | AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors |
| Chipset | A520 |
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
| Form Factor | micro-ATX Form Factor 9.3 inch x 7.6 inch ( 23.6 cm x 19.3 cm ) |
| Graphics | 1 x HDMI port** * Graphics specifications may vary between CPU types |
| Audio | 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. |
| Expansion Slots | |
| PCI | 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 |
| Connectivity | |
| HDMI | 1 x HDMI |
| Memory | |
| Maximum Memory | 64GB |
| Slots | 2 x DIMM |
| Supported Memory | DDR4 5100(OC)/ 4866(OC)/ 4666(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 |
| Type | DDR4 |
| Connector & Ports | |
| Audio | 3 x Audio jacks |
| Display Port (s) | |
| Internal I/O Ports | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin Chassis Fan headerV Power Related 1 x 24-pin Main Power connector 1 x 4-pin +12V Power connector Storage Related 1 x M.2 slot (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 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 (14-1pin) 1 x 10-1 pin System Panel header |
| LAN Port (s) | 1 x Realtek 1Gb Ethernet ASUS LANGuard |
| Supported Storage | 1 x M.2 slot (Key M) 4 x SATA 6Gb/s ports M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) |
| TPM (Trusted Platform Module ) | 1 x SPI TPM header (14-1pin) |
| USB (s) | Rear USB (Total 6 ports) 4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 6 ports) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports |
| Others | |
| Bundled Software | ASUS Exclusive Software Armoury Crate AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRMV Fan XpertV - EZ update - PC Cleaner ASUS CPU-Z Norton 360 Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode |
| Special Features | |
| Other Features | ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage protection - SafeSlot Core - Stainless-steel back I/O ASUS Q-Design - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - Aluminum heatsink design |
| Warranty Information | |
| Warranty | 03-Year Warranty |
The ASUS PRIME A520M-R AM4 Micro ATX Motherboard is designed to deliver stable performance, essential connectivity, and long-lasting reliability for modern desktop builds. Built around the AMD A520 chipset and supporting a wide range of AMD Ryzen processors— including Ryzen 5000, 4000G, and 3000 series—this motherboard provides a strong foundation for gaming, productivity, and everyday computing. With its micro-ATX form factor, it fits easily into compact cases without sacrificing critical features. Equipped with dual DDR4 DIMM slots, the board supports up to 64GB of high-speed memory, allowing faster load times and improved responsiveness. For storage, it includes a PCIe 3.0 x4 M.2 slot alongside four SATA 6Gb/s ports, enabling a combination of fast NVMe SSDs and high-capacity HDDs. The PCIe 3.0 x16 slot lets users install modern graphics cards, making the system suitable for gaming, graphics work, or streaming setups. Connectivity is well-rounded with USB 5Gbps ports, HDMI output for processors with integrated graphics, Realtek 1Gb Ethernet, and high-definition 7.1-channel audio powered by premium components for clear sound. ASUS integrates its 5X Protection III hardware safeguards, such as stainless-steel I/O, SafeSlot Core, LANGuard, and overvoltage protection to enhance overall system durability. Users also benefit from ASUS-exclusive software, including Armoury Crate, AI Suite 3, and Fan Xpert, offering convenient system monitoring, cooling control, and performance tuning. The UEFI BIOS with EZ Mode makes system setup smooth even for beginners. Designed for stability, efficiency, and long-term performance, the ASUS PRIME A520M-R is a reliable choice for budget-friendly gaming PCs, office builds, or home systems that require dependable hardware without unnecessary complexity.
