ShopAll ProductsCategoriesBrands
Cart
ShopMotherboardsASUS PRIME A520M-A II/CSM AMD A520 Socket AM4 micro ATX
ASUS PRIME A520M-A II/CSM AMD A520 Socket AM4 micro ATX
View 1
View 2
View 3
View 4
View 5
View 6

ASUS PRIME A520M-A II/CSM AMD A520 Socket AM4 micro ATX

£53.68

£64.42 inc. VAT

In Stock(218)MPN: 90MB17H0-M0EAYC
🚚 Next-day delivery £4.95
Quantity:1
1
2
3
4
5
6
7
8
9
10+

Key Features

ASUS PRIME A520M-A II/CSM
Motherboard
micro ATX
Socket AM4
AMD A520 Chipset
USB 3.2 Gen 1
Gigabit LAN
onboard graphics (CPU required)

Product Overview

AI-generated summary

The ASUS PRIME A520M-A II/CSM is one of those “get it working and don’t think too hard” boards. At ~£55 ex-VAT, you’re basically paying for a no-nonsense AM4 platform with enough maturity to run day-to-day office/workstation builds without drama. If you’re trying to build budget systems for admin PCs, light CAD, VMs in modest quantities, or office/warehouse terminals, this is the kind of board that makes sense: you’re not overspending on features you’ll never use, and ASUS’s BIOS support tends to be pretty reliable for the price bracket.

That said, I wouldn’t buy it for anything that needs serious upgrade headroom or heavy, long-term compute. A520 class boards are pretty limiting in terms of expandability and “future-proofing”, so if you’re planning to drop in faster RAM/SSDs later, add multiple add-in cards, or run something that needs more robust platform options, you’ll likely end up wanting a step up. Also, the “CSM” angle suggests it’s aimed at specific OEM/installer use cases—fine for resellers and builders, but if you’re buying for a premium DIY desktop experience, there are usually better-value boards when you consider total build flexibility.

Specifications

Processor

Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 3,AMD Ryzen 5

Memory

Supported memory typesDDR4-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4100,4133,4400,4466,4600,4800 MHz

Storage controllers

Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2,SATA III
Number of HDDs supported4
Number of storage drives supported5
RAID supportY

Graphics

Parallel processing technology supportNot supported

Internal I/O

USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Number of SATA III connectors4
S/PDIF out connectorY
Front panel audio connectorY

Rear panel I/O ports

USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
Ethernet LAN (RJ-45) ports1
PS/2 ports quantity1
VGA (D-Sub) ports quantity1

Network

Ethernet LANY
Ethernet interface typeGigabit Ethernet
Wi-FiN

Features

Motherboard chipsetAMD A520
Audio chipRealtek ALC887 / Realtek ALC897
Audio output channels7.1 channels
Component forPC
Motherboard form factorMicro ATX

Technology Stack

Powered by industry-leading technologies including SolarWinds, Cloudflare, BitDefender, AWS, Microsoft Azure, and Cisco Meraki to deliver secure, scalable, and reliable IT solutions.

SolarWinds
Cloudflare
BitDefender
AWS
Hono
Opus
Office 365
Microsoft
Cisco Meraki
Microsoft Azure

Latest Articles

18
  • Internet & Connectivity

The Complete Guide to Business Broadband in the UK

18 Mar, 2026

Read more
3
  • Cloud Email

Getting the Most Out of Microsoft Office 365

3 Apr, 2025

Read more
11
  • Network Admin

Understanding VLANs: Why Your Business Network Needs Them

11 Mar, 2026

Read more

Enquiry Received!

Thank you for getting in touch. A member of our team will review your enquiry and get back to you within 24 hours.