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.

Specification

Product
Product id	1022791
Brand	AsusTek
Partnr	90MB1PT0-M0EAY0
EAN/UPC code	4711636560696
Warranty (months)	36 months
Processor
Processor manufacturer	AMD
Processor socket	Socket AM5
Compatible processor series	AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series
Memory
Supported memory types	DDR5-SDRAM
Number of memory slots	2
Memory slots type	DIMM
Memory channels	Dual-channel
ECC сompatibility	non-ECC
Maximum internal memory	128 GB
Supported memory clock speed (max)	7600 MHz
Unbuffered memory	Y
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 levels	0, 1, 5, 10
RAID support	Y
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	1
Number of SATA III connectors	4
S/PDIF out connector	Y
Front panel audio connector	Y
ATX Power connector (24-pin)	Y
CPU fan connector	Y
Number of chassis fan connectors	2
Number of CPU fan connectors	1
EPS power connector (8-pin)	Y
TPM connector	Y
12V power connector	Y
Number of COM connectors	1
Rear panel I/O ports
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
Microphone in	Y
Line-in	Y
USB connector type	USB Type-A
Network
Ethernet LAN	Y
Ethernet interface type	Gigabit Ethernet
Wi-Fi	N
Features
Component for	PC
Motherboard form factor	Micro ATX
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
Audio output channels	7.1 kanalen
Product colour	Multicolour
Windows operating systems supported	Windows 11, Windows 10 x64
Expansion slots
PCI Express x1 (Gen 3. x) slots	1
Number of M.2 (M) slots	2
1st M.2 largest key size	2280
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Packaging data
Package width	260 mm
Package depth	270 mm
Package height	51.5 mm
Weight & dimensions
Width	236 mm
Depth	229 mm
Height	36.5 mm
Other features
Weight	563 g
Package weight	924 g