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ASUS PRIME B840M-K AMD B840 Socket AM5 micro ATX

SKU

90MB1PK0-M0EAY0

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Only £117.37 £97.81

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PRIME B840M-K AMD B840 micro-ATX (DDR5, M.2, Realtek 2.5Gb Ethernet, HDMI, Front USB 5Gbps Type-C, Aura Sync)

More Information

More Information
SKU	90MB1PK0-M0EAY0
EAN	4711636435048
Manufacturer	ASUS
Availability	Y

Description

B840M-K
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-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.

Specifications

Internal I/O
Number of M.2 (M) slots	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
Front panel connector	Yes
12V power connector	Yes
Supported storage drive interfaces	M.2, SATA III
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	2
TPM connector	Yes
S/PDIF out connector	Yes
Number of SATA III connectors	4
Number of COM connectors	1
Number of chassis fan connectors	3
Front panel audio connector	Yes
EPS power connector (8-pin)	Yes
CPU fan connector	Yes
ATX Power connector (24-pin)	Yes
RGB LED pin header	Yes
Number of RGB LED pin headers	3
Technical details
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
Supported processor sockets	Socket AM5
Parallel processing technology support	Not supported
Motherboard form factor	micro ATX
Component for	PC
Audio
Audio output channels	7.1 channels
Performance
Number of HDDs supported	4
Supported storage drive types	HDD & SSD
Windows operating systems supported	Windows 10 x64, Windows 11
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
RAID levels	0, 1, 5, 10
Supported processor sockets	Socket AM5
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Component for	PC
Processor
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets	Socket AM5
Processor socket	Socket AM5
Memory
Number of memory slots	2
Memory slots type	DIMM
Supported memory types	DDR5-SDRAM
Memory channels	Dual-channel
Maximum internal memory	128 GB
Unbuffered memory	Yes
ECC сompatibility	ECC & Non-ECC
Storage controllers
Number of HDDs supported	4
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, SATA III
RAID levels	0, 1, 5, 10
Number of storage drives supported	6
RAID support	Yes
Graphics
Parallel processing technology support	Not supported
Rear panel I/O ports
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	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0
USB 2.0 ports quantity	2
VGA (D-Sub) ports quantity	0
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	1
DVI-D ports quantity	0

Network
Ethernet LAN	Yes
Wi-Fi	No
Ethernet interface type	2.5 Gigabit Ethernet
Features
Windows operating systems supported	Windows 10 x64, Windows 11
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
Supported processor sockets	Socket AM5
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Component for	PC
Product colour	Black
Expansion slots
Number of M.2 (M) slots	2
PCI Express x16 (Gen 3.x) slots	1
PCI Express x16 (Gen 4.x) slots	1
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Packaging data
Package width	270 mm
Package depth	263 mm
Package height	51.5 mm
Package weight	1.02 kg
Software
Windows operating systems supported	Windows 10 x64, Windows 11
Weight & dimensions
Package width	270 mm
Package depth	263 mm
Package height	51.5 mm
Package weight	1.02 kg
Width	244 mm
Depth	221 mm
Packaging content
Cables included	SATA
Screws included	Yes
Other features
Package width	270 mm
Package depth	263 mm
Package height	51.5 mm
Package weight	1.02 kg

Reviews

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Product	ASUS PRIME B840M-K AMD B840 Socket AM5... Only £117.37 £97.81	Hot Product MSI B550-A PRO motherboard AMD B550 So... Only £99.01 £82.51	Bestseller MSI MPG B550 Gaming Plus AMD B550 Sock... Only £114.62 £95.52	Popular ASUS PRIME B550M-K AMD B550 Socket AM4... Only £95.94 £79.95	ASUS PRO H610M-C D4-CSM Intel H610 LGA... Only £96.97 £80.81	Recommended ASUS PRIME B550M-A WIFI II AMD B550 So... Only £116.34 £96.95
SKU	90MB1PK0-M0EAY0	B550-A PRO	MPG B550 GAMING PLUS	90MB14V0-M0EAY0	90MB1A30-M0EAYC	90MB19X0-M0EAY0
Manufacturer	ASUS	MSI	MSI	ASUS	ASUS	ASUS
Motherboard form factor	micro ATX	ATX	ATX	micro ATX	micro ATX	micro ATX
Processor socket	Socket AM5	Socket AM4	Socket AM4	Socket AM4	LGA 1700	Socket AM4
Component for	PC	PC	PC	N/A	PC	PC
Supported memory types	DDR5-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM	DDR4-SDRAM
Number of memory slots	2 to 3	4 to 6	4 to 6	4 to 6	2 to 3	4 to 6
Processor manufacturer	AMD	AMD	AMD	AMD	Intel	AMD

ASUS PRIME B840M-K AMD B840 Socket AM5 micro ATX

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