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ASUS PRIME B840-PLUS WIFI AMD ATX Motherboard
MotherboardsAsus

ASUS PRIME B840-PLUS WIFI AMD ATX Motherboard

MPN: 90MB1IZ0-M0EAY0

Key specifications

SocketAM5
Form factorATX
ChipsetAMD B840
Memory typeDDR5
M.2 slots3
Max Memory192 GB
Best indexed price
£160.47GBP
Indexed 20 Oct 2026 — verify at retailer. How we get prices

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Scan£160.47
Indexed 20 Oct 2026New
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eBay UK£167.80
Indexed 16 Mar 2026New · seller trippodoshop
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Full Specifications83 fields

Additional Information

Model Number
90MB1IZ0-M0EAY0
Gtin
4711387797273

Additional Specifications

Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305x244x48 (L x W x H) mm
Note
-

Back Connect

Back Connect
No

Colour

Primary Colour
Black

Cooling

Backplate
Yes
M 2 Heatsinks
Yes
Vrm Heatsinks
Yes

Core Specifications

Edition
PRIME B840-PLUS WIFI
Form Factor
ATX
Socket
AM5
Chipset
AMD B840

CPU

Cpu Manufacturer
AMD

Dimensions

Length Depth
305 mm
Width
244 mm

Expansion Slots

Pcie X16 Slots Total
1
Pcie X4 Slots Total
1
Pcie X1 Slots Total
3
Pcie 4 0 X16 Mechanical Slot
1
Pcie 3 0 X16 Mechanical Slot
3
Pcie 3 0 X1 Mechanical Slot
1

External Connectivity

Network Interface Type
-
Network Chip Modules
1 x 802.11ax WiFi 6E + BT5.3
Rear I O Connectors
1 x 10/100/1000/2500 (LAN) 1 x BIOS FLASHBACK+ Button 1 x DisplayPort 1 x HDMI 1 x Line In 1 x Line Out 1 x Mic-In 4 x USB 2.0 2 x USB 3.2 1 x USB 3.2 Gen2 Type-A 1 x USB 3.2 Gen2 Type-C 1 x WiFi Module

External Ports

Usb 3 1 External Type C
1
Usb 3 1 External Type A
1
Usb 3 0 External Type A
2
Usb 2 0 External Type A
4
Display Connectors
HDMI (1x), Display Port (1x)

Fan Header

4 Pin Fan Connectors
7

Form Factor

Motherboard Formfactor
ATX

Graphics Support

Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
-
On Board Graphics Connectors
DisplayPort HDMI

Internal Connectivity

Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen3x4 1 x M.2, 22-80, PCIe Gen3x4 2 x M.2, 22-80, PCIe Gen4x4 1 x PCIe 3.0 x1 3 x PCIe 3.0 x16 1 x PCIe 4.0 x16
Sata Support
SATA3
Raid Support Via
-
Storage Mode Support
RAID 0 RAID 1 RAID 10 RAID 5
Internal I O
1 x 24-pin (Power) 1 x 4-pin AIO Pump Connector 1 x 4-pin CHA_FAN connector 1 x 4-pin CPU Fan Connector 1 x 4-pin CPU OPT Fan Connector 1 x 8-pin (Power) 4 x SATA III - 6Gb/s 2 x USB 2.0 Header 1 x USB 3.2 Gen1 Header 1 x USB 3.2 Gen1 Type-C Front Panel Header

Internal Ports

Cpu Power Supply
1x 4-Pin + 1x 8-Pin
Usb4 Internal Header
1
Usb 3 0 3 1 3 2 Internal Type C Header
1
Usb 3 0 3 1 3 2 Internal Type C Possible Ports
1
Usb 3 0 Internal Header
1
Usb 3 0 Internal Possible Ports
2
Usb 2 0 Internal Header
1
Usb 2 0 Internal Possible Ports
2
Rgb Led Connectors
3x Digital RGB (3-Pin 5VDG)
Front Panel Audio Header
Yes
Spi Tpm Header
Yes

Lighting

Lighting Rgb
Yes

Memory

Max Memory
192 GB
Memory Form Factor
DIMM
Max Memory Speed Oc
7600 MT/s
Eec Support
Yes
Memory Slots
4x
Performance Profile
AMD EXPO

Motherboard

Motherboard Chipset
AMD B840
Built In I O Shield
Yes

RAM Memory Support

Memory Type
DDR5
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR5 - 7600(OC)
Max Memory Capacity
192GB (4x48GB)

Storage Ports

M 2 Pcie 3 0 X4
1
M 2 Pcie 4 0 X4
2
Sata 6g Internal
4

Wi

Fi Lan Lan
Yes
Fi Lan Lan Ports
1x 2.5 Gbit/s
Fi Lan Wi Fi Bluetooth
Yes
Fi Lan Wi Fi Standard
Wi-Fi 6E
Fi Lan Bluetooth Standard
5.3

General

Audio
7.1 Channel HD Audio