MSI · Motherboard

MSI PRO B550M-P price in United Kingdom

MPN PRO B550M-P

Processor manufacturerAMD
Supported memory typesDDR4-SDRAM
Supported storage drive typesHDD & SSD
Parallel processing technology supportNot supported

Lowest price incl. delivery

£76.93

at PCHUB.UKFree deliveryIn stock

2 stores
Range £76.93 – £89.99
Save up to £13.06 vs. the dearest store
2 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

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

Lowest price£76.93at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £13.06 (15%) by choosing the cheapest store

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

PCHUB.UKLowest priceMSI PRO B550M-P motherboard AMD B550 Socket AM4 ATX In stockFree shipping
£76.93incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeMSI PRO B550M-P motherboard AMD B550 Socket AM4 ATX In stockFree shipping
£89.99incl. free shipping+£13.06 (17%) vs lowest
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Best price · PCHUB.UK£76.93

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Product details

Identification

Brand: MSI
Product: PRO B550M-P
Full name: MSI PRO B550M-P motherboard AMD B550 Socket AM4 ATX
Manufacturer part number: PRO B550M-P
Category: Motherboard

71 specifications from the manufacturer's data sheet

Processor

Processor manufacturer	AMD
Processor socket	Socket AM4
Compatible processor series	AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Supported processor sockets	Socket AM4

Memory

Supported memory types	DDR4-SDRAM
Number of memory slots	4
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	Non-ECC
Supported memory clock speeds	2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz
Supported memory clock speed (max)	4400 MHz
Maximum internal memory	128 GB
Unbuffered memory	Yes

Storage controllers

Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, PCI Express 4.0, PCI Express 3.0, SATA
Number of HDDs supported	4
Number of storage drives supported	2
RAID support	Yes
RAID levels	0, 1, 10

Graphics

Parallel processing technology support	Not supported
On-board graphics card	Yes

Internal I/O

USB 2.0 connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	6
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
Number of SATA III connectors	4
Number of SATA connectors	4
Total number of SATA connectors	4
Front panel audio connector	Yes
Front panel connector	Yes
CPU fan connector	Yes
Chassis intrusion connector	Yes
TPM connector	Yes
RGB LED pin header	Yes

Rear panel I/O ports

USB 2.0 ports quantity	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
Ethernet LAN (RJ-45) ports	1
VGA (D-Sub) ports quantity	1
HDMI ports quantity	1
HDMI version	2.1
DVI-D ports quantity	0
DisplayPorts quantity	1
DisplayPort version	1.4

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 ALC897
Audio output channels	7.1 channels

Expansion slots

PCI Express x1 (Gen 3.x) slots	2
PCI Express x1 (Gen 4.x) slots	0
PCI Express x16 slots	1
PCI Express x16 (Gen 3.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
Number of M.2 (M) slots	2
1st M.2 largest key size	2280
1st M.2 highest PCI Express generation	4.0
2nd M.2 largest key size	2280
2nd M.2 highest PCI Express generation	3.0