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

£116.08

£139.30 inc. VAT

Low Stock(20)MPN: 90MB1J20-M0EAY0
🚚 Next-day delivery £4.95
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Key Features

ASUS PRIME B840M-A WIFI
Motherboard
micro ATX
Socket AM5
AMD B840 Chipset
USB-C 3.2 Gen 1, USB 3.2 Gen 1
2.5 Gigabit LAN, Bluetooth, Wi-Fi 6E
onboard graphics (CPU required)

Product Overview

AI-generated summary

For £116.59 ex-VAT, the ASUS PRIME B840M-A WiFi looks like a sensible “get the job done” AM5 micro‑ATX board. If you’re building typical office/warehouse PCs, light server-ish workstations, or small fleet machines where you don’t need flashy features, it’s the kind of board that tends to be painless: stable basics, solid BIOS support, and the built-in Wi‑Fi saves you faffing around with dongles. ASUS PRIME boards usually hit the sweet spot for day-to-day deployments because they’re predictable rather than quirky.

That said, it’s not the one I’d pick for heavy expansion or enthusiast builds. Micro‑ATX layouts can feel cramped once you start adding capture cards, extra NICs, multiple drives, and so on, and the PRIME line is more “reliable platform” than “maximum performance/overclocking playground”. If your use case is multi-GPU, lots of add-in cards, or you’re constantly chasing the latest PCIe/Cooling edge cases, I’d steer you toward a more feature-dense board (even if it costs more). But for a cost-conscious UK B2B build where you want something you can deploy and forget, this is very likely good value.

Specifications

Processor

Processor manufacturerAMD
Processor socketSocket AM5
Compatible processor seriesAMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series
Supported processor socketsSocket AM5

Memory

Supported memory typesDDR5-SDRAM
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
ECC сompatibilityECC & non-ECC

Storage controllers

Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2,SATA III
Number of HDDs supported4
Number of storage drives supported7
RAID supportY

Graphics

Parallel processing technology supportNot supported

Internal I/O

USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
Number of SATA III connectors4
S/PDIF out connectorY
Front panel audio connectorY

Rear panel I/O ports

USB 2.0 ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Ethernet LAN (RJ-45) ports1
HDMI ports quantity1

Network

Ethernet LANY
Ethernet interface type2.5 Gigabit Ethernet
Wi-FiY
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Wi-Fi standardsWi-Fi 6E (802.11ax)

Features

Motherboard chipsetAMD B840
Audio output channels7.1 channels
Component forPC
Motherboard form factorMicro ATX
Motherboard chipset familyAMD

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