ASUS · Motherboard

ASUS PRO B550M-C/CSM price in United Kingdom

MPN 90MB15Q0-M0EAYCEAN 192876992333EAN 4718017992336

Weight845 g
Processor manufacturerAMD
Supported memory typesDDR4-SDRAM
Supported storage drive typesHDD & SSD

Lowest price incl. delivery

£137.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 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

1 store · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£137.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 6 Oct 2026, 05:40 UTC

Back to the OfficeLowest priceASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX In stockFree shipping
£137.99incl. free shipping
Go to store : Back to the Office (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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Product details

Identification

Brand: ASUS
Product: PRO B550M-C/CSM
Full name: ASUS PRO B550M-C/CSM AMD B550 Socket AM4 micro ATX
Manufacturer part number: 90MB15Q0-M0EAYC
EAN / UPC: 192876992333, 4718017992336
Category: Motherboard

69 specifications from the manufacturer's data sheet

Processor

Processor manufacturer	AMD
Processor socket	Socket AM4
Compatible processor series	AMD Athlon, 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
Supported memory clock speeds	2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800 MHz
Maximum internal memory	128 GB
Unbuffered memory	Yes

Storage controllers

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

Graphics

Parallel processing technology support	Not supported

Internal I/O

USB 2.0 connectors	2
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
Front panel audio connector	Yes
ATX Power connector (24-pin)	Yes
Number of EATX power connectors	1
CPU fan connector	Yes
Number of chassis fan connectors	2
Chassis intrusion connector	Yes
12V power connector	Yes
Number of COM connectors	1
Thunderbolt headers	1

Rear panel I/O ports

USB 2.0 ports quantity	2
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	2
Firewire (IEEE 1394) ports	0
VGA (D-Sub) ports quantity	0
HDMI ports quantity	1
HDMI version	2.1
DVI-D ports quantity	0
DisplayPorts quantity	2

Network

Ethernet LAN	Yes
Ethernet interface type	Gigabit Ethernet
LAN controller	Realtek RTL8111H
Wake-on-LAN ready	Yes

Features

Component for	PC
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Motherboard chipset	AMD B550
Audio chip	Realtek ALC887 / Realtek ALC897
Audio output channels	7.1 channels
Windows operating systems supported	Windows 10 x64