ASUS PRIME A520M-A II/AM4/mATX

Chipset: AMD A520

Dimensional format: mATX Form Factor (244 mm x 244 mm)
Processor Support: AMD Ryzen ™ 5000 Series/4000 G-Series/3000 Series Desktop Processors
Processor socket: AM4

Memory position: 4x DDR4 DIMM
Memory support:

• 4800 (OC)/4600 (OC)/4466 (OC)/4400 (OC)/4266 (OC)/4133 (OC)/4000 (OC)/3866 (OC)/3733 (OC)/3600 (OC)/3466 (OC)/3333 (OC)/3200/3000/2800/2666/2400/2133 MHz, Un-buffered Memory

Max. RAM size: 128 GB
Support for memory type: DDR4 (Dual Channel Memory Architecture)

• ECC Memory (ECC mode) support varies by CPU.

Graphics card: (based on CPU)

Sound card:

• Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC

Network card:

• Realtek 1Gb Ethernet

Expansion slots:

• 1x PCIe 3.0 x16 slot (supports x16 mode)
• 2x PCIe 3.0 x1 slots

RAID controller: 0, 1, 10

SATA:

• 4x SATA 6Gb/s port (s)

M.2:

• 1x M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)

USB:

• rear USB ports (total 6)
• 4x USB 3.2 Gen 1 ports (4 x Type-A)
• 2x USB 2.0 ports (2 x Type-A)
• front USB ports (total 6)
• 2x USB 3.2 Gen 1 ports
• 4x USB 2.0 ports

Internal ports:

• 1x 4-pin CPU Fan header
• 2x 4-pin Chassis Fan headers
• 1x 24-pin Main Power connector
• 1x 8-pin + 12V Power connector
• 1x M.2 slot (Key M)
• 4x SATA 6Gb/s ports
• 1x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
• 2x USB 2.0 headers support additional 4 USB 2.0 ports
• 2x AURA Addressable Gen 2 header
• 2x AURA RGB headers
• 1x Clear CMOS header
• 1x COM Port header
• 1x Front Panel Audio header (AAFP)
• 1x S/PDIF Out header
• 1x Speaker header
• 1x SPI TPM header (14-1pin)
• 1x 10-1 pin System Panel header

External ports:

• 4x USB 3.2 Gen 1 ports (4 x Type-A)
• 2x USB 2.0 ports (2 x Type-A)
• 1x DisplayPort
• 1x HDMITM port
• 1x D-Sub
• 1x Realtek 1Gb Ethernet port
• 3x Audio jacks
• 1x PS/2 Keyboard/Mouse combo port

Accessories:

• User Manual
• 2x SATA 6Gb/s cables
• 1x I/O Shield
• 1x M.2 SSD screw package
• 1x Support DVD

BIOS: 128 Mb Flash ROM, UEFI AMI BIOS

Manufacturer Site: https://www.asus.com/Motherboards-Components/Motherboards/All-series/PRIME-A520M-A-II
https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/
https://www.asus.com/support/FAQ/1046215