ASUS · Motherboard

ASUS Prime B550M-A/CSM price in United Kingdom

MPN 90MB14I0-M0AAYCMPN 90MB14I0-M0EAYCEAN 4718017755535

ColourBlack, Silver
Processor manufacturerAMD
Supported memory typesDDR4-SDRAM
Supported storage drive interfacesM.2, SATA

Lowest price incl. delivery

£102.74

at PCHUB.UKFree deliveryIn stock

3 stores
Range £102.74 – £124.99
Save up to £22.25 vs. the dearest store
3 in stock
2 with free delivery
Checked 6 Oct 2026, 05:40 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

3 stores · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£102.74at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 3 offers

Save up to £22.25 (18%) by choosing the cheapest store

3 of 3 stores in stock
2 with free shipping
Checked 6 Oct 2026, 05:40 UTC

PCHUB.UKLowest priceASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX In stockFree shipping
£102.74incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX In stockFree shipping
£124.99incl. free shipping+£22.25 (22%) vs lowest
Go to store : Back to the Office (opens in a new tab)
PcNova.co.ukASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX In stockShipping not stated
£102.74item price, shipping extra
Go to store : PcNova.co.uk (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 05:40 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Best price · PCHUB.UK£102.74

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Product details

Identification

Brand: ASUS
Product: Prime B550M-A/CSM
Full name: ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX
Manufacturer part number: 90MB14I0-M0AAYC, 90MB14I0-M0EAYC
EAN / UPC: 4718017755535
Category: Motherboard

49 specifications from the manufacturer's data sheet

Processor

Processor manufacturer	AMD
Processor socket	Socket AM4
Compatible processor series	AMD Ryzen 3000 Series

Memory

Supported memory types	DDR4-SDRAM
Number of memory slots	4
Memory slots type	DIMM
Supported memory clock speeds	2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory	128 GB

Storage controllers

Supported storage drive interfaces	M.2, SATA

Graphics

On-board graphics card	No

Internal I/O

USB 2.0 connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
Number of SATA III connectors	4
Number of SATA II connectors	0
Number of SATA connectors	0
Number of Parallel ATA connectors	0

Rear panel I/O ports

USB 2.0 ports quantity	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
Ethernet LAN (RJ-45) ports	1
eSATA ports quantity	0
PS/2 ports quantity	1
Firewire (IEEE 1394) ports	0
VGA (D-Sub) ports quantity	1
HDMI ports quantity	1
DVI-D ports quantity	1
Headphone outputs	1
Microphone in	Yes

Network

Ethernet LAN	Yes
Ethernet interface type	Gigabit Ethernet
LAN controller	Realtek RTL8111H
Wi-Fi	No

Features

Component for	PC
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Audio chip	Realtek ALC887
Audio output channels	7.1 channels
Product colour	Black, Silver
Windows operating systems supported	Windows 10