mATX Form Factor 8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )
PRIME A520M-E/CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.
Products in this catalogue that list the same socket or memory type as the ASUS PRIME A520M-E/CSM. 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.
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 ports Support RAID 0, 1, 10Source
USB & rear connections
2 items
USB ports and headers
Rear USB (Total 7 ports) 1 x USB 3.2 Gen 2 port (1 x Type-A) 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 portsSource
Rear-panel ports
1 x USB 3.2 Gen 2 port (1 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI™ port 1 x Realtek RTL8111H 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo portSource
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 - LED-illuminated audio trace path design - 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 1 x 4-pin Chassis Fan header 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 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 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 www.asus.com for CPU support list. BIOS: 256 Mb 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.