ASUS PRIME B840-PLUS WIFI-CSM AMD B840 Socket AM5 ATX

AMD B840, AM5, 4 x DIMM slots, max. 192GB, DDR5, Realtek 2.5Gb Ethernet, 2x2 Wi-Fi 6E (802.11ax), Bluetooth 5.3, 256 Mb Flash ROM, UEFI AMI BIOS, ATX

Description

PRIME B840-PLUS WIFI-CSM
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840-PLUS WIFI-CSM 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	3
Thunderbolt headers	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
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
Peripheral (Molex) power connectors (4-pin)	1
Number of SATA III connectors	4
Number of COM connectors	1
Number of chassis fan connectors	4
Front panel audio connector	Yes
EPS power connector (8-pin)	Yes
CPU fan connector	Yes
Chassis intrusion connector	Yes
ATX Power connector (24-pin)	Yes
Number of CPU fan connectors	1
Performance
Number of HDDs supported	4
Supported storage drive types	HDD & SSD
Component for	PC
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
Motherboard form factor	ATX
Audio output channels	7.1 channels
RAID levels	0, 1, 5, 10
Windows operating systems supported	Windows 10 x64, Windows 11
Processor
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor socket	Socket AM5
Memory
Number of memory slots	4
Supported memory types	DDR5-SDRAM
Memory slots type	DIMM
Memory channels	Dual-channel
Maximum internal memory	192 GB
Unbuffered memory	Yes
Supported memory clock speed (max)	7600 MHz
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	7
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	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	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	1
USB 2.0 ports quantity	4
Ethernet LAN (RJ-45) ports	1
WiFi-AP antenna jack	2
VGA (D-Sub) ports quantity	0
Microphone in	Yes
HDMI ports quantity	1
DVI-D ports quantity	0
DisplayPorts quantity	1
Network
Ethernet LAN	Yes
Wi-Fi	Yes
Ethernet interface type	2.5 Gigabit Ethernet
Bluetooth	Yes
Bluetooth version	5.3
Top Wi-Fi standard	Wi-Fi 6E (802.11ax)
Features
Component for	PC
Motherboard chipset family	AMD
Motherboard chipset	AMD B840
Motherboard form factor	ATX
Audio output channels	7.1 channels
Windows operating systems supported	Windows 10 x64, Windows 11
Product colour	Multicolour
Expansion slots
Number of M.2 (M) slots	3
PCI Express x1 (Gen 3.x) slots	1
PCI Express x16 (Gen 3.x) slots	3
BIOS
BIOS type	UEFI AMI
BIOS memory size	256 Mbit
Weight & dimensions
Width	305 mm
Depth	244 mm