Asus A520M-C II/CSM Desktop Motherboard
Asus A520M-C II/CSM Desktop Motherboard
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Asus A520M-C II/CSM Desktop Motherboard

AMD A520 Chipset - Socket AM4 - Micro ATX - Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 9 PRO Processor Supported DDR4 SDRAM Maximum RAM - UDIMM, DIMM - 2 x Memory Slots - Gigabit Ethernet - HDMI - DisplayPort - 4 x SATA Interfaces

MFG. PART: PRO A520M-C II/CSM UPC: 195553250092
Warranty: 3 Year Warranty
  • Product Type: Desktop Motherboard
  • Form Factor: Micro ATX
  • Processor Supported: Ryzen 3, Ryzen 3 PRO, Ryzen 5, Ryzen 5 Pro, Ryzen 7, Ryzen 7 PRO, Ryzen 9, Ryzen 9 PRO
  • Total Processor Supported: 1
Powered by AMD 3rd Gen Ryzen processors, the ASUS Pro A520M-C II/CSM commercial motherboard provides enhanced enterprise level features, including comprehensive system protection, 24/7 stability & reliability, an improved management suite with ASUS Control Center Express, ASUS Corporate Stable Model complimentary advance replacement, and a guaranteed long product life cycle for reliable sourcing and support.

General Information

Manufacturer: ASUS Computer International
Manufacturer Part Number: PRO A520M-C II/CSM
Manufacturer Website Address:
Brand Name: Asus
Product Series: PRO
Product Model: A520M-C II/CSM
Product Name: PRO A520M-C II/CSM Desktop Motherboard
Product Type: Desktop Motherboard

Processor & Chipset

Chipset Manufacturer: AMD
Chipset Model: A520
Total Processor Supported: 1
Processor Socket: Socket AM4
Processor Supported: Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 9 PRO


Number of Memory Slots: 2
Memory Form Factor: UDIMM, DIMM
Memory Technology: DDR4 SDRAM
Memory Speed Supported: 4600 MHz, 4400 MHz, 4266 MHz, 4133 MHz, 4000 MHz, 3866 MHz, 3733 MHz, 3600 MHz, 3466 MHz, 3333 MHz, 3200 MHz, 3000 MHz, 2800 MHz, 2666 MHz, 2400 MHz, 2133 MHz, 4466 MHz, 4866 MHz, 4333 MHz, 4200 MHz, 3400 MHz, 2933 MHz

I/O Controller

Controller Type: Serial ATA/600
RAID Supported: Yes
RAID Levels: 10, 1, 0


Onboard Video: CPU Dependent Video


Audio Channels: 7.1

Network & Communication

Gigabit Ethernet: Yes

I/O Expansions

Number of Total Expansion Slots: 4
Total Number of PCI Express Slots: 3
Number of PCI Express x1 Slots: 2
Number of PCI Express x16 Slots: 1


Total Number of USB Ports: 6
Number of USB 2.0 Ports: 2
Number of USB 3.2 Gen 1 Ports: 4
VGA: Yes
DisplayPort: Yes
DVI: Yes
Number of Network (RJ-45) Ports: 1

Onboard Interfaces

Number of SATA Interfaces: 4
Number of M.2 Interfaces: 1
Total Number of Onboard USB Ports: 6
Number of Onboard USB 2.0 Ports: 4
Number of Onboard USB 3.2 Ports: 2

Physical Characteristics

Form Factor: Micro ATX
Width: 9.61" (244 mm)
Depth: 9.02" (229 mm)


Brand Compatibility: AMD
Environmentally Friendly: Yes
Environmental Certification: RoHS
Country of Origin: China


Limited Warranty: 3 Year
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