ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX from £83.87

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PCHUB.UK ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX

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£83.87
Go to shop: PCHUB.UK

Prices include VAT, last checked 9 October at 08:56. 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: £83.87
Lowest: £81.33
Average: £82.44
Highest: £83.87

Product details

Product details
Brand	Asus
Category	PC components
Barcode (EAN)	4711636560696
Shops compared	1
On Pricuro since	3 October 2026

Processor

3

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

Memory

8

Supported memory types	DDR5-SDRAM
Number of memory slots	2
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	Non-ECC
Supported memory clock speed (max)	7600 MHz
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

13

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

Rear panel I/O ports

10

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

Network

4

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

Features

7

Motherboard chipset	AMD B840
Audio output channels	7.1 channels
Product colour	Multicolour
Component for	PC
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Windows operating systems supported	Windows 11, Windows 10 x64

Expansion slots

4

PCI Express x1 (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

BIOS

2

BIOS type	UEFI AMI
BIOS memory size	256 Mbit

Packaging data

4

Package width	260 mm
Package depth	270 mm
Package height	51.5 mm
Package weight	924 g

Weight & dimensions

3

Width	236 mm
Depth	229 mm
Height	36.5 mm

Other features

1

Weight	563 g

Manufacturer data: Open Icecat

Product description

Prime B840M-R

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-R 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 B840M-R AMD B840 Socket AM5 micro ATX cheapest?

Right now at PCHUB.UK for £83.87. We compare one offer.

How much does ASUS PRIME B840M-R AMD B840 Socket AM5 micro ATX cost?

Currently £83.87.

Is now a good time to buy ASUS PRIME B840M-R AMD B840 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 B840M-R AMD B840 Socket AM5 micro ATX in stock?

Yes, one shop lists it as in stock.