ASUS · Motherboard

ASUS PRIME B850M-K price in United Kingdom

MPN 90MB1LV0-M0EAY0EAN 199291005518EAN 4711636005517

SpeedNot available
ColourBlack
Processor manufacturerAMD
Supported memory typesDDR5-SDRAM

Lowest price incl. delivery

£86.99

at Back to the OfficeFree deliveryIn stock

3 stores
Range £86.99 – £98.49
Save up to £11.50 vs. the dearest store
3 in stock
2 with free delivery
Checked 6 Oct 2026, 17:41 UTC

Go to Back to the Office See all 3 offers

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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£86.99at Back to the Office · free shippingGo to Back to the Office

Price range across 3 offers

Save up to £11.50 (12%) by choosing the cheapest store

3 of 3 stores in stock
2 with free shipping
Checked 6 Oct 2026, 05:40 UTC

Back to the OfficeLowest priceASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX In stockFree shipping
£86.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)
PCHUB.UKASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX In stockFree shipping
£98.49incl. free shipping+£11.50 (13%) vs lowest
Go to store : PCHUB.UK (opens in a new tab)
PcNova.co.ukASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX In stockShipping not stated
£98.49item price, shipping extra+£11.50 (13%) vs lowest
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 · Back to the Office£86.99

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Product details

Identification

Brand: ASUS
Product: PRIME B850M-K
Full name: ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX
Manufacturer part number: 90MB1LV0-M0EAY0
EAN / UPC: 199291005518, 4711636005517, 4711636005524
Category: Motherboard

76 specifications from the manufacturer's data sheet

Processor

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

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

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

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
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
12V power connector	Yes
Number of COM connectors	1
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	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
Ethernet LAN (RJ-45) ports	1
PS/2 ports quantity	1
VGA (D-Sub) ports quantity	0
HDMI ports quantity	1
DVI-D ports quantity	0
DisplayPorts quantity	1
Line-in	Yes
Microphone in	Yes

Network

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

Features

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

Expansion slots

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