Catalog   /   Computing   /   Components   /   Motherboards   /   Asus

Asus PRIME B840M-A WIFI (90MB1J20-M0EAY0)

Photos - Motherboard Asus PRIME B840M-A WIFI
Photos 9
Asus PRIME B840M-A WIFI
Towards:home / office
Form Factor:micro-ATX
Socket:AM5
Chipset:AMD B840
BIOS:Ami
RAM slots:DDR5 4 sl
RAM form factor:DIMM
RAM clock:7600 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24-pin
Processor power:8-pin
All specifications
Specifications PRIME B840M-A WIFI
Main
Featuresfor home/office
SocketAM5
Form factormicro-ATX
Power phases11 / 8+2+1 /
VRM heatsink
Size (HxW)244x244 mm
Chipset
ChipsetAMD B840
BIOSAmi
UEFI BIOS
RAM
DDR54 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency7600 MHz
Max. memory192 GB
EXPO support
Drive interface
SATA 3 (6Gbps)4
M.2 connector3
M.23xPCIe 4x
M.2 version2x4.0, 1x3.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
PCIe 16x slots3 pcs
PCIe modes16x/1x/1x
PCIe support4.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
USB-C 5Gbps1 pcs
ARGB LED strip3
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort / x2 /
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek
Sound (channels)7.1
Network interfaces
Wi-FiWi-Fi 6E (802.11ax)
BluetoothBluetooth v5.3
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek
External connections
USB-A 2.04 pcs
USB-A 10Gbps2 pcs
USB-C 5Gbps1 pcs
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8-pin
Fan power connectors6
CPU Fan 4-pin2
CPU/Water Pump Fan 4-pin1
Chassis/Water Pump Fan 4-pin3
Official Websiteasus.com
Added to E-CatalogJanuary 2025
P/N
90MB1J20-M0EAY0

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Asus 2026 - new arrivals, bestsellers, and the most relevant models Asus.
How to choose a motherboard?Motherboard is the main part of any computer. Here's how to choose the right one for work, play and entertainment

Buy Asus PRIME B840M-A WIFI

All prices 14 →
When you make a purchase through links on our site, we may receive a affiliate commission.

ASUS PRIME B840M-A WIFI AMD B840 mATX motherboard, DDR5, PCIe 4.0 Ready, three M.2 slots, Wi-Fi 6E, Realtek 2.5Gb Ethernet,

Amazon.co.uk
Delivery: in United Kingdom
Report
£93.93

Asus Asus PRIME B840M-A WIFI (Socket AM5) DDR5 Micro-ATX Motherboard 90MB1J20-M0EAY0

Motherboard Specifications table { width: 100%; border-collapse: collapse; }... moreth, td { border: 1px solid #ddd; padding: 8px; text-align: left; } th { background-color: #f4f4f4; } tr:nth-child(even) { background-color: #f9f9f9; } Category Details CPU AMD Socket AM5 for AMD Ryzen™ 9000, 8000, & 7000 Series Desktop Processors** Refer to ASUS Support for CPU support list. Chipset AMD B840 Chipset Memory 4 x DIMM slots, max. 192GB, DDR5Supports up to 7600+MT/s (OC) with Ryzen™ 9000, 8000, & 7000 Series Processors, ECC and Non-ECC, Un-buffered DIMM* Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO™) ASUS Enhanced Memory Profile (AEMP) * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration. Refer to the ASUS website for details. Graphics 2 x DisplayPort** 1 x HDMI™ port*** ** Supports max. 8K@30Hz as specified in DisplayPort 1.4. *** Supports 4K@60Hz as specified in HDMI 2.1. Expansion Slots AMD Ryzen™ 9000 & 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode) AMD B840 Chipset 2 x PCIe 3.0 x16 slots (support x1 mode) * Please check the PCIe bifurcation table on the ASUS support site. Storage Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 9000, 8000, & 7000 Series Desktop Processors - M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) - M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) AMD B840 Chipset - M.2_3 slot (Key M), type 2280 (supports PCIe 3.0 x4 mode) - 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Function is only supported by AMD Ryzen™ 9000 series CPU. Ethernet 1 x Realtek 2.5Gb EthernetASUS LANGuard Wireless & Bluetooth® Wi-Fi 6E (2x2)Supports 2.4/5/6GHz frequency band*Bluetooth® v5.3*** WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.** The Bluetooth® version may vary,
Overclockers.co.uk
Delivery: to United Kingdom
Report
£109.99

ASUS PRIME B840M-A WIFI AMD Micro-ATX Motherboard

Scan.co.uk
Delivery: to United Kingdom
Report
£109.99

ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX 90MB1J20-M0EAY0

ASUS PRIME B840M-A WIFI. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 70... more00 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 192 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Ethernet interface type: 2.5 Gigabit Ethernet, Top Wi-Fi standard: Wi-Fi 6E (802.11ax), Wi-Fi standards: Wi-Fi 6E (802.11ax). Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD...
Senetic.co.uk
Delivery: to United Kingdom
Report
£111.86

Asus PRIME B840M-A WIFI AMD Ryzen AM5 DDR5 Micro ATX Motherboard - 90MB1J20-M0EAY0 90MB1J20-M0EAY0

Awd-it.co.uk
Delivery: to United Kingdom
Report
£123.99
9 more offer(s)