Asus ROG Strix B850-G Gaming WIFI (AM5) DDR5 Micro-ATX Motherboard

Manufacturer: Asus | Model: 90MB1M30-M0EAY0 | Product ID: 3164
£204.67 (inc. VAT)
Availability: 0 in stock

Product Technical Specification

Form Factor
Motherboard formfactorMicro-ATX
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 Connectors6
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: Wed 26th Aug 2026 to Sat 29th Aug 2026
Fast & Tracked by Courier
£6.95
Fast & Tracked by Courier

Fast & Tracked by Courier (UK)

Estimated delivery date: Tue 25th Aug 2026 to Thu 27th Aug 2026
View all Delivery Options & International Rates
Motherboard Specifications

Motherboard Specifications

CPUAMD Socket AM5 for Ryzen™ 9000 / 8000 / 7000 Series
*Refer to ASUS Support for compatibility
ChipsetAMD B850
Memory4 x DIMM slots, up to 256GB DDR5
Supports up to 8000+MT/s (OC)
Dual Channel, ECC/Non-ECC
AMD EXPO™, ASUS AEMP supported
Graphics1 x DisplayPort (max 8K@30Hz)
1 x HDMI™ port (4K@60Hz)
*Depends on CPU
Expansion Slots1 x PCIe 5.0 x16 slot (Ryzen 9000/7000)
1 x PCIe 5.0 x16 slot (Ryzen 8000, supports PCIe 4.0 x8/x4)
Storage4 x M.2 slots
2 x SATA 6Gb/s ports
*M.2_2 supports PCIe 5.0 x4 (Ryzen 9000)
*Other slots PCIe 4.0 depending on CPU
RAID SupportRAIDXpert2
Ryzen 9000: RAID 0/1/5/10
Ryzen 8000: RAID 0/1
Ryzen 7000: RAID 0/1/10
EthernetIntel® 2.5Gb Ethernet, ASUS LANGuard
Wi-Fi & Bluetooth®Wi-Fi 7 (2x2, 802.11be)
Supports 2.4/5/6GHz
Bluetooth® v5.4
Rear USB1 x USB 20Gbps (Type-C)
3 x USB 10Gbps (2 x Type-A + 1 x Type-C)
4 x USB 5Gbps (Type-A)
2 x USB 2.0 (Type-A)
Front USB1 x USB 10Gbps (Type-C)
1 x USB 5Gbps header (2 ports)
2 x USB 2.0 headers (4 ports)
AudioRealtek ALC1220P 7.1 Surround
120 dB SNR playback, 113 dB SNR recording
Supports 32-bit/192kHz playback
Rear optical S/PDIF out
Back Panel I/O10 USB ports total
1 x DisplayPort, 1 x HDMI™
Wi-Fi module, 2.5Gb LAN
2 x Audio jacks, Optical S/PDIF
BIOS FlashBack™ & Clear CMOS buttons
Internal I/OCPU/Chassis Fan headers
4 x M.2 slots, 2 x SATA
USB headers (Type-C, 5Gbps, 2.0)
RGB headers, thermal sensor, power headers
Special FeaturesExtreme Engine Digi+, M.2 Q-Latch/Release
PCIe Slot Q-Release, Q-LED
VRM/M.2 heatsinks, pre-mounted I/O shield
Addressable RGB Gen 2 headers
SoftwareArmoury Crate, Aura Sync, Fan Xpert 4
AI Overclocking Guide, GameFirst
Free trials: AIDA64, Norton 360, WinRAR
BIOS256 Mb Flash ROM, UEFI AMI BIOS
ManageabilityWOL by PME, PXE
Accessories2 x SATA cables, WiFi Q-Antenna, Cable ties, M.2 accessories, ROG stickers, keychain, Quick Start Guide
Operating SystemWindows 11
Form Factormicro-ATX (24.4 cm x 24.4 cm)
Form Factor
Motherboard formfactorMicro-ATX
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 Connectors6
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 simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

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

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

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

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.