PRO A520M-S is engineered with PCIe 3.0 M. 2, USB 5Gbps, and HDMI 1.4, ready for the AMD Ryzen 5000 series processors.

• Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, and 3000 G-Series processors
• Supports DDR4 Memory, up to 4400+ MT/s (OC)
• Turbo M. 2: PCIe 3.0 slot and Turbo Gen3 x4 M. 2
• EZ DIY: EZ Debug LED and EZ Mounting
• Audio Boost: Reward your ears with studio-grade sound quality
• MSI Center: A brand-new software which integrates all MSI exclusive tools with a user-friendly user interface.

 Chipset AMD A520
 CPU Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors
Socket AM4
 Memory 2x DDR4, Maximum Memory Capacity 64GB
Memory Support DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC MODE
Ryzen 5000 Series Processors max. overclocking:
1DPC 1R Max speed up to 4600+ MT/s
1DPC 2R Max speed up to 3866+ MT/s

Supports JEDEC Speed
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Memory Overclocking by A-XMP OC mode

The DIMM slots on this motherboard have double-sided latches.
Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www. msi. com/support/.
 Onboard Graphics 1x HDMI
Support HDMITM 1.4, maximum resolution of 4K 30Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
 Slot 1x PCI-E x16 slot
1x PCI-E x1 slot
PCI_E1 Gen PCIe 3.0 supports up to x1 (From Chipset) 
PCI_E2 Gen PCIe 3.0 supports up to x16 (From CPU) 
*The supported specification depends on installed processor.
 Audio Realtek® ALC897 Codec
7.1-Channel High Definition Audio
 Storage 1x M. 2
M. 2_1 Source (From CPU) supports up to PCIe 3.0 x4 / SATA mode, supports 2280/2260 devices 
4x SATA 6G
 RAID Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
 USB 2x USB 2.0 (Rear)
4x USB 2.0 (Front)
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
 LAN Realtek® RTL8111H 1Gbps LAN
 Internal IO 1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
 LED FEATURE 4x EZ Debug LED
 BACK PANEL PORTS ь

1. HDMI
2. Keyboard / Mouse
3. USB 5Gbps Type-A
4. LAN Port
5. Audio connectors
6. USB 2.0

 OPERATING SYSTEM Support for Windows® 11 64-bit 

Продукт известен още и като PRO A 520 M S, PROA520MS, PRO A520M S, PROA520M-S