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ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX

ASUS PRIME B550M-K, AMD, Socket AM4, AMD Ryzen 3000 Series, DDR4-SDRAM, 128 GB, DIMM

Best offerPrice trend

£88.99

-3%
Price trend
Detailed analysis
Price history of ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX over the last 3 months
DatePrice
19 April 2026£92.90
28 April 2026£92.55
3 May 2026£92.55
10 May 2026£91.70
20 May 2026£91.70
22 May 2026£92.43
28 May 2026£92.43
6 June 2026£88.49
15 June 2026£97.72
23 June 2026£88.99
30 June 2026£94.65
2 July 2026£89.95
14 July 2026£89.95
16 July 2026£89.94

Compare ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX prices UK

*Date of last price update

User Notice: We regularly reference new offers to provide you with the widest selection. However, the displayed results do not reflect all available offers on the market. By default, offers are sorted by price, with the lowest price appearing first.

Product Information

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.

Cooler by Design

Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.

Build on a Solid Foundation
Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.

Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Motherboards ASUS

Product

Name
ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Category
Motherboards
Brand
ASUS

Weight & dimensions

Width
244 mm
Depth
244 mm
Height
51 mm

Memory

Supported memory types
DDR4-SDRAM
Number of memory slots
4
Maximum internal memory
128 GB
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

Processor

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

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
HDMI ports quantity
1
DVI-D ports quantity
1
PS/2 ports quantity
1

Internal I/O

USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
ATX Power connector (24-pin)
Yes

Network

Wi-Fi
No
Ethernet LAN
Yes
LAN controller
Realtek RTL8111H

Expansion slots

PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 4.x) slots
1
Number of M.2 (M) slots
2

BIOS

BIOS type
UEFI AMI
BIOS memory size
256 Mbit

Other features

Weight
785 g

Features

Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Motherboard chipset
AMD B550
Windows operating systems supported
Windows 10

Storage controllers

Supported storage drive interfaces
M.2, SATA

Logistics data

Harmonized System (HS) code
84733020

Customer Reviews

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