ASUS PRIME B840M-A WiFi AMD AM5 Motherboard

ASUS PRIME B840M-A WiFi AMD AM5 Motherboard

Item No. 10277503
INFYCNTRL_BNPL12_CG_WK43_Components
Form factor: microATX
Socket: AMD AM5
Chipset: AMD B840
Memory: DIMM x 4 / Max RAM: 192 GB DDR5
3 year guarantee
Free Next Day Delivery (All day 8am-8pm) on selected Gaming
£159.99 Save £20.00
Was £179.99 (from 06/03/25 to 04/05/25)

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*Illustrative example: Credit amount £159.99. Pay 36 monthly payments of £6.48. Total amount payable £233.28. The interest rate for this purchase is 29.9%.

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What you’ll need to make it even better

AMD Ryzen 7 7800X3D Processor
AMD Ryzen 7 7800X3D Processor
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5/5 33 reviews
£399.00 Save £20.00
Was £419.00 (from 11/10/24 to 04/11/24)
Form factor: microATX
Socket: AMD AM5
Chipset: AMD B840
Memory: DIMM x 4 / Max RAM: 192 GB DDR5
3 year guarantee
Product code: 526467

Building a compact gaming PC? This microATX board from ASUS Prime is designed to handle powerful components. It's ready for AMD's 9000 series processors, so it's designed for the future of AI computing. Add up to 192 GB of DDR5 RAM and blaze through your workflows. And with PCIe 5.0 and 4.0 M.2 slots, you can pop in high-speed SSDs that won't make you wait around.
Good to know

- With 2.5 Gb Ethernet and WiFi 6E you'll have super-fast and rock-solid internet connection
- To make sure your hardware stays cool under load, there are massive onboard heatsinks and 5 fan headers
- It's got an AIO Pump header, so you can slap some proper liquid cooling on your CPU 
- Sync the RGB lighting on your motherboard with your components and peripherals using ASUS Aura Sync

Technical specifications for ASUS PRIME B840M-A WiFi AMD AM5 Motherboard

OVERVIEW

Form factor
microATX
Chipset
AMD B840
Socket
AMD AM5
Processor models supported
AMD RYZEN 7000 / 8000 / 9000 processors
Memory slots
DIMM (Max RAM: 192 GB) x 4
Memory standard
DDR5
Operating systems supported
- Windows 11
- Windows 10 64-bit

EXTERNAL CONNECTIVITY

Video output
- HDMI x 1
- DisplayPort x 2
LAN
- Realtek 2.5Gb Ethernet x 1
- ASUS LANGuard
Audio
Audio jacks x 3
USB
- USB Type-C x 2
- USB 3.0 x 5
- USB 2.0 x 6
Other external connections
WiFi module x 1

INTERNAL CONNECTIVITY

BIOS
- 256 Mb Flash ROM
- UEFI AMI BIOS
Expansion slots
AMD Ryzen 9000 & 7000 Series Desktop Processors:
- PCIe 4.0 (x16 slots) x 1 (supports x16 mode)
AMD Ryzen 8000 Series Desktop Processors:
- PCIe 4.0 (x16 slots) x 1 (supports x8/x4 mode)
AMD B840 Chipset:
- PCIe 3.0 (x16 slots) x 2
Storage slots
- SATA x 4 (6 GB/s)
- M.2 x 3
Cooling
- 4-pin CPU fan header x 1
- 4-pin CPU OPT fan header x 1
- 4-pin AIO Pump header x 1
- 4-pin chassis fan headers x 3
Case
BIOS FlashBack LED x 1
Buttons
BIOS FlashBack x 1
Power
- 24-pin main power connector
- 8-pin +12V CPU Power connector x 2
Other internal connections
- Addressable Gen 2 headers x 3
- Clear CMOS header x 1
- COM Port header x 1
- Front Panel Audio header (F_AUDIO) x 1
- S/PDIF Out header x 1
- SPI TPM header (14-1 pin) x 1
- 10-1 pin Front System Panel header x 1

GENERAL

Box contents
- Asus PRIME B840M-A AMD AM5 Motherboard
- Cables
- SATA 6Gb/s cables x 2
- M.2 rubber package x 1
- ASUS WiFi Q-Antenna x 1
- Screw packages for M.2 SSD x 3
- Quick start guide
Software included
- ASUS Exclusive Software
- Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
- ASUS DriverHub
- ASUS GlideX
- TurboV Core
- ASUS CPU-Z
- Adobe Creative Cloud (Free Trial)
- Norton 360 Deluxe (60 Days Free Trial)
- WinRAR (40 Days Free Trial)
- UEFI BIOS
- ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
Weight
0.93 kg
Manufacturer’s guarantee
3 years
Dimensions
50 x 244 x 244 mm (H x W x D)
Colour
Black

Delivering your online order

Standard Delivery
Get it in 3-5 working days
Anytime delivery from 7am - 8pm
Order under £40: £3.99
Order over £40: FREE
Choose a 4-hour time slot delivery
£9.99
Next day delivery
Order by 9pm
Anytime delivery from 7am - 8pm
£5.99
Choose a 4-hour time slot delivery
£9.99
Weekend all day delivery. Order by 9pm.
£6.99
Weekend time slot, morning before noon.
£10.99

Tracking your delivery

Make sure to add your mobile number when you place your order, so we can text you with delivery updates. Our Track It service also allows you to see where your order is at.

Delivery restrictions

Weekend and next-day delivery is available in most areas, but not all.
And, of course, delivery is always dependent upon stock availability.
You can use the availaility checker to quickly find out about stock availability and delivery information.

Our FREE order & collect service

You can order your item(s) online, and safely collect them from your chosen store within an hour of placing your order.
Pop in store to collect your items within an hour of ordering them, free of charge (depending on stock availability). You can also choose your collection day. You’re welcome!
Once you’ve selected “collect in store” at the online checkout, we’ll email you your confirmation & collection details. When you do come to collect your item(s) make sure you bring this confirmation email, and the last four digits of your payment/gift card or voucher.

Returns and refunds

If you purchased online, you may generally return your item within 30 days even if you have opened it for inspection. It must be returned as new and, where possible, in its original packaging. See “Product Information” dropdown for exclusions.
If you purchased in store, you can return your item within 30 days in its unopened and sealed packaging along with proof of purchase (excludes connected products with airtime, such as a mobile phone, sim contract or broadband connection*).
*Returns policies for connected products differ by network. You can change or cancel your contract with ID within 14 days of purchase. You are not able to change or cancel your contract with Vodafone.
More info on returns and refunds.