ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX from £106.23

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PCHUB.UK Lowest price ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX

● In stock see shop

£106.23
Go to shop: PCHUB.UK
Tesco Stores ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX

● In stock see shop

£127.63
Go to shop: Tesco Stores

Prices include VAT, last checked 9 October at 17:06. Prices may have changed since. Advertising: some shops pay Pricuro a commission when you buy through a link. Offers are ordered by total price only; used and refurbished offers come last.

Price history

1 month

Lowest price per day over 7 days.

Now: £106.23
Lowest: £98.31
Average: £99.39
Highest: £100.77

Product details

Product details
Brand	Asus
Category	PC components
Barcode (EAN)	4711636005517
Shops compared	2
Price range	£106.23 – £127.63
On Pricuro since	3 October 2026

Processor

4

Processor manufacturer	AMD
Processor socket	Socket AM5
Compatible processor series	AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets	Socket AM5

Memory

7

Supported memory types	DDR5-SDRAM
Number of memory slots	2
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	ECC & Non-ECC
Maximum internal memory	128 GB
Unbuffered memory	Yes

Storage controllers

6

Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
Number of HDDs supported	4
Number of storage drives supported	6
RAID support	Yes
RAID levels	0, 1, 5, 10

Graphics

1

Parallel processing technology support	Not supported

Internal I/O

15

USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
Number of SATA III connectors	4
S/PDIF out connector	Yes
Front panel audio connector	Yes
Front panel connector	Yes
ATX Power connector (24-pin)	Yes
CPU fan connector	Yes
Number of CPU fan connectors	1
Number of chassis fan connectors	3
EPS power connector (8-pin)	Yes
Number of COM connectors	1
TPM connector	Yes
12V power connector	Yes
RGB LED pin header	Yes

Rear panel I/O ports

9

USB 2.0 ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	2
Ethernet LAN (RJ-45) ports	1
PS/2 ports quantity	1
HDMI ports quantity	1
DisplayPorts quantity	1
Line-in	Yes
Microphone in	Yes

Network

4

Ethernet LAN	Yes
Ethernet interface type	2.5 Gigabit Ethernet
Wi-Fi	No
Top Wi-Fi standard	Not available

Features

8

Motherboard chipset	AMD B850
Audio output channels	7.1 channels
Product colour	Black
Component for	PC
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Cooling type	Passive
Windows operating systems supported	Windows 10 x64, Windows 11

Expansion slots

7

PCI Express x16 (Gen 4.x) slots	1
PCI Express x16 (Gen 5.x) slots	1
Number of M.2 (M) slots	2
1st M.2 largest key size	2280
1st M.2 highest PCI Express generation	5.0
2nd M.2 largest key size	2280
2nd M.2 highest PCI Express generation	4.0

BIOS

2

BIOS type	UEFI AMI
BIOS memory size	256 Mbit

Packaging data

4

Package width	564 mm
Package depth	288 mm
Package height	297 mm
Package weight	1.07 kg

Weight & dimensions

2

Width	244 mm
Depth	221 mm

Packaging content

2

Cables included	SATA
Screws included	Yes

Manufacturer data: Open Icecat

Product description

B850M-K

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Frequently asked questions

Where is ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX cheapest?

Right now at PCHUB.UK for £106.23. We compare 2 offers.

How much does ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX cost?

Prices range from £106.23 to £127.63. Over the last 90 days it cost £99.39 on average.

Is now a good time to buy ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX?

Building the price history. We have only just started recording this price. After two weeks we will show here whether the current price is a good one.

Is ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX in stock?

Yes, 2 shops list it as in stock.