MSI · Motherboard

MSI B550-A PRO price in United Kingdom

MPN B550-A PROMPN 4719072733667EAN 824142219362EAN 4719072733667

Weight1 kg
ColourBlack
Processor manufacturerAMD
Supported memory typesDDR4-SDRAM

Lowest price incl. delivery

£98.62

at PCHUB.UKFree deliveryIn stock

3 stores
Range £98.62 – £119.99
Save up to £21.37 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£98.62at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 3 offers

Save up to £21.37 (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 priceMSI B550-A PRO motherboard AMD B550 Socket AM4 ATX In stockFree shipping
£98.62incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeMSI B550-A PRO motherboard AMD B550 Socket AM4 ATX In stockFree shipping
£119.99incl. free shipping+£21.37 (22%) vs lowest
Go to store : Back to the Office (opens in a new tab)
PcNova.co.ukMSI B550-A PRO motherboard AMD B550 Socket AM4 ATX In stockShipping not stated
£98.62item 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£98.62

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Product details

Identification

Brand: MSI
Product: B550-A PRO
Full name: MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX
Manufacturer part number: B550-A PRO, 4719072733667
EAN / UPC: 824142219362, 4719072733667
Category: Motherboard

71 specifications from the manufacturer's data sheet

Processor

Processor manufacturer	AMD
Processor socket	Socket AM4
Compatible processor series	AMD Ryzen 3000 Series
Maximum number of SMP processors	1

Memory

Supported memory types	DDR4-SDRAM
Number of memory slots	4
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	ECC & Non-ECC
Supported memory clock speeds	1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4800 MHz
Maximum internal memory	128 GB

Storage controllers

Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
RAID levels	0, 1, 10

Graphics

Maximum graphics card memory	16000 MB
Parallel processing technology support	2-Way CrossFireX
On-board graphics card	No
Maximum resolution	4096 x 2160 pixels

Internal I/O

USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
Number of SATA III connectors	6
Number of SATA II connectors	0
Number of SATA connectors	0
Number of Parallel ATA connectors	0
Front panel audio connector	Yes
ATX Power connector (24-pin)	Yes
CPU fan connector	Yes
Number of chassis fan connectors	6
Chassis intrusion connector	Yes
12V power connector	Yes
TPM connector	Yes
RGB LED pin header	Yes

Rear panel I/O ports

USB 2.0 ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
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	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	1
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	0
HDMI ports quantity	1
DVI-D ports quantity	0
DisplayPorts quantity	1

Network

Ethernet LAN	Yes
Ethernet interface type	Gigabit Ethernet
LAN controller	Realtek 8111H
Wi-Fi	No

Features

Component for	PC
Motherboard form factor	ATX
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Audio chip	Realtek ALC892
Audio output channels	7.1 channels
Product colour	Black
Number of mounting holes	9