Global manufacturer specification · PRIME A520M-R
PRIME A520M-R motherboard, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
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Manufacturer specificationsGlobal manufacturer specification · PRIME A520M-R-CSM
PRIME A520M-R-CSM motherboard, identified in the ASUS Global catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Missing information stays separate.
No verified changes in the shared fields shown here. This does not establish that the products are equivalent.
13 shared fields have the same recorded value.
| Specification | ASUS PRIME A520M-R | ASUS PRIME A520M-R-CSM |
|---|---|---|
CPU socket SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | AM4 | AM4 |
Chipset SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | AMD A520 Chipset | AMD A520 Chipset |
Form factor and dimensions SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | micro-ATX Form Factor 9.3 inch x 7.6 inch ( 23.6 cm x 19.3 cm ) | micro-ATX Form Factor 9.3 inch x 7.6 inch ( 23.6 cm x 19.3 cm ) |
CPU support and BIOS requirements SourcesASUS PRIME A520M-R Manufacturer specification · 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. ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification · 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. ASUS PRIME A520M-R-CSM — official Global technical specifications | AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support list. BIOS: 128 Mb Flash ROM, UEFI AMI BIOS | AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series Desktop Processors* * Refer to www.asus.com for CPU support list. BIOS: 128 Mb Flash ROM, UEFI AMI BIOS |
Listed operating systems SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | Windows® 11, Windows® 10 64-bit | Windows® 11, Windows® 10 64-bit |
Memory type, slots and limit SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 2 x DIMM slots, max. 64GB, 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. * 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/. | 2 x DIMM slots, max. 64GB, 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. * 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/. |
Storage interfaces and restrictions SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 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 ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. | 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 ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. |
Expansion slots and restrictions SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 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. | 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. |
USB ports and headers SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 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 | 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 |
Rear-panel ports SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x HDMI™ port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port | 4 x USB 5Gbps ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x HDMI™ port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 keyboard (purple) port 1 x PS/2 mouse (green) port |
Audio interfaces SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 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. | 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. |
Network interfaces and requirements SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | 1 x Realtek 1Gb Ethernet | 1 x Realtek 1Gb Ethernet |
Internal headers and connectors SourcesASUS PRIME A520M-R Manufacturer specification ASUS PRIME A520M-R — official Global technical specificationsASUS PRIME A520M-R-CSM Manufacturer specification ASUS PRIME A520M-R-CSM — official Global technical specifications | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin Chassis Fan header 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 Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin Chassis Fan header 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 Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header |
Closest motherboards to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
