Asus TUF GAMING B850-BTF WIFI White (Socket AM5) DDR5 ATX Motherboard

Manufacturer: Asus | Model: 90MB1KW0-M0EAY0 | Product ID: 3140
£289.40 (inc. VAT)
4 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Form Factor
Motherboard formfactorATX
Wi-Fi & LAN
LANYes
LAN Ports1x 2.5 Gbit/s
Wi-Fi / BluetoothYes
Colour
Primary ColourWhite
Lighting
Lighting / RGBYes
Motherboard
Motherboard ChipsetAMD B850
CPU
CPU ManufacturerAMD
CPU SocketAM5
Fan Header
4 Pin Fan Connectors7
Memory
Max. Memory256 GB
Memory TypeDDR5
Memory Form FactorDIMM
Memory slots4x
Internal Ports
CPU Power Supply2x 8-Pin

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
Motherboard Specifications

Motherboard Specifications

General
CPUAMD Socket AM5 for Ryzen™ 9000, 8000 & 7000 Series Desktop Processors
CPU Support List
ChipsetAMD B850 Chipset
Memory
DIMM Slots4 x DIMM, max. 256GB, DDR5, up to 8000+MT/s (OC)
FeaturesDual channel, ECC & Non-ECC, AMD EXPO™, AEMP
Graphics
Ports1 x DisplayPort (8K@30Hz), 1 x HDMI (4K@60Hz)
Expansion Slots
Ryzen 9000/70001 x PCIe 5.0 x16 (x16 mode)
Ryzen 80001 x PCIe 4.0 x16 (x8/x4 mode)
Chipset1 x PCIe 4.0 x16 (x4 mode), 1 x PCIe 4.0 x1
Storage
M.2 Slots3 x M.2
- M.2_1: PCIe 5.0 x4 (9000/7000) / PCIe 4.0 x4 (8000)
- M.2_2: PCIe 4.0 x4
- M.2_3: PCIe 4.0 x4 (shared with PCIEX16(G4))
SATA4 x SATA 6Gb/s ports
RAID Ryzen 9000: RAID 0/1/5/10
Ryzen 8000: RAID 0/1
Ryzen 7000: RAID 0/1/10
Networking
EthernetRealtek 2.5Gb Ethernet, TUF LANGuard
WirelessWi-Fi 7 (2x2, 2.4/5/6GHz, up to 2.9Gbps), Bluetooth 5.4
USB
Rear I/O1 x USB-C 20Gbps, 3 x USB-A 10Gbps, 4 x USB-A 5Gbps, 2 x USB 2.0
Front I/O1 x USB-C 10Gbps, 2 x USB 5Gbps, 4 x USB 2.0 (via headers)
Audio
CodecRealtek ALC1220P 7.1 HD Audio
Features120 dB SNR playback, 113 dB SNR recording, Jack detection, Amplifier, De-pop circuit
Back Panel I/O
1 x USB-C 20Gbps, 3 x USB-A 10Gbps, 4 x USB-A 5Gbps, 2 x USB 2.0
1 x DisplayPort, 1 x HDMI, 1 x 2.5Gb LAN, 5 x Audio jacks, 1 x Wi-Fi module
1 x BIOS FlashBack™ button
Internal I/O
Cooling1 x CPU Fan, 1 x CPU OPT Fan, 1 x AIO Pump, 4 x Chassis Fans
Power1 x 24-pin, 2 x 8-pin CPU Power, 1 x 12V-2X6 Aux Power
OtherThunderbolt header, RGB headers, Clear CMOS, Front Panel, COM, Audio, Q-Designs
Special Features
ASUS TUF Protection, Q-Design, M.2/VRM heatsinks, BIOS FlashBack™, Aura Sync RGB, AI Advisor, Armoury Crate
BIOS & Software
BIOS256Mb UEFI AMI BIOS
SoftwareArmoury Crate, AI Advisor, TurboV Core, Norton 360 (Trial), DTS Audio, Adobe CC Trial
Other
Accessories2 x SATA cables, Wi-Fi antenna, M.2 rubber packs, Quick guide, TUF sticker
OSWindows 11
Form FactorATX, 12 x 9.6 inches (30.5 x 24.4 cm)
Form Factor
Motherboard formfactorATX
Wi-Fi & LAN
LANYes
LAN Ports1x 2.5 Gbit/s
Wi-Fi / BluetoothYes
Colour
Primary ColourWhite
Lighting
Lighting / RGBYes
Motherboard
Motherboard ChipsetAMD B850
CPU
CPU ManufacturerAMD
CPU SocketAM5
Fan Header
4 Pin Fan Connectors7
Memory
Max. Memory256 GB
Memory TypeDDR5
Memory Form FactorDIMM
Memory slots4x
Internal Ports
CPU Power Supply2x 8-Pin

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.