ASUS ROG STRIX B850-A GAMING WIFI AMD B850 Socket AM5 ATX
Product Technical Specification
| Processor | |
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Memory | |
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & non-ECC |
| Supported memory clock speed (max) | 8000 |
| Maximum internal memory | 192 |
| Unbuffered memory | Yes |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2,SATA III |
| Number of HDDs supported | 2 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0,1,5,10 |
| Graphics | |
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| Maximum resolution | 7680 x 4320 |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Number of SATA III connectors | 2 |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 2 |
| Number of chassis fan connectors | 4 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 2 |
| Thunderbolt headers | 1 |
| Number of water pump connectors | 1 |
| Number of temperature sensor headers | 1 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone outputs | 1 |
| Line-in | Yes |
| S/PDIF out port | Yes |
| Digital audio optical out | 1 |
| WiFi-AP antenna jack | 2 |
| Network | |
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Features | |
| Motherboard chipset | AMD B850 |
| Audio chip | Realtek ALC4080 |
| Audio output channels | 7.1 |
| Product colour | White |
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Power source type | ATX |
| Windows operating systems supported | Windows 11 |
| Expansion slots | |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 4 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 22110 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 largest key size | 2280 |
| 4th M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 |
| Clear CMOS button | Yes |
| Packaging data | |
| Package width | 353 |
| Package depth | 273 |
| Package height | 68 |
| Package weight | 2040 |
| Weight & dimensions | |
| Width | 305 |
| Depth | 244 |
| Packaging content | |
| Cables included | SATA |
| Antenna included | Yes |
| Other features | |
| Weight | 2040 |
| Quick installation guide | Yes |
Delivery Options
Economy Delivery (UK)
Business Express
ASUS AI INTELLIGENCE
ASUS AI ADVISOR
Using AI technology to understand natural-language questions or scenario descriptions, ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.
*Availability of ASUS AI Advisor may vary by region.
**AI Advisor functions may vary by platform.
AI NETWORKING II
AI Networking II combines intelligent technologies to continuously optimize network performance, provide trustworthy and seamless connectivity, and unleash the full speed of WiFi 7*.
*Features may vary by model.
OVERCLOCKING
PBO ENHANCEMENT
AMD Precision Boost Overdrive (PBO) pushes the CPU current and voltage budget to opportunistically increase performance. By aggressively tuning the PBO parameters, AMD's algorithm can leverage the motherboard's robust power solution to ramp up performance even higher.
MEMORY
DDR5 DOMINATION
The Strix B850-A is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO) support.
AEMP
ASUS Enhanced Memory Profile (AEMP) is an exclusive firmware feature for PMIC-restricted memory modules.
ROG STRIX ULTIMATE POWER DESIGN
14(80A)+2(80A)+2(80A) Power Stages
PLAY IN STYLE
UNDENIABLY ROG STRIX
The ROG Strix B850-A stands out with its striking white PCB, offering a fresh and modern aesthetic that seamlessly complements almost any system build. The matching metallic heatsinks enhance its clean, crisp look, while subtle RGB lighting on the I/O shroud allows you to either maintain a sleek, understated appearance or showcase a bold, luminous design.
OUTSHINE THE COMPETITION
ROG Strix motherboards feature ASUS Aura technology, enabling full lighting control and a variety of presets for both onboard RGB LEDs and third-party accessories. Effects can be easily synced across compatible ROG graphics cards, monitors, keyboards, and mice to give your setup a unified look.
BUILD FOR THE MOST ADVANCED PC FOR GAMING AND CREATING
When only the fastest will do, a Strix B850 motherboard delivers. With USB 20Gbps onboard along with robust overclocking¹ capabilities, featuring faster dual-channel DDR5 memory support, AMD EXPO™ technology and PCIe® 5.0 support for both graphics and NVMe, you can play the most demanding games and deliver your biggest projects with the revolutionary performance of an AMD 800-series motherboard and AMD Ryzen™ 9000, 8000, and 7000 Series processors.
Dare to Be Green
We at the Republic of Gamers are on a mission to create a sustainable future where all gamers can flourish on the planet we call home.
Every step counts, and as part of ROG’s commitment to creating a more sustainable future, ROG has begun to utilize post-consumer recycled (PCR) plastic and paper materials certified by the Forest Stewardship Council (FSC™) in the packaging of motherboard.
| Processor | |
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series,AMD Ryzen 8000 Series,AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Memory | |
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & non-ECC |
| Supported memory clock speed (max) | 8000 |
| Maximum internal memory | 192 |
| Unbuffered memory | Yes |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2,SATA III |
| Number of HDDs supported | 2 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0,1,5,10 |
| Graphics | |
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| Maximum resolution | 7680 x 4320 |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Number of SATA III connectors | 2 |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 2 |
| Number of chassis fan connectors | 4 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 2 |
| Thunderbolt headers | 1 |
| Number of water pump connectors | 1 |
| Number of temperature sensor headers | 1 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone outputs | 1 |
| Line-in | Yes |
| S/PDIF out port | Yes |
| Digital audio optical out | 1 |
| WiFi-AP antenna jack | 2 |
| Network | |
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Features | |
| Motherboard chipset | AMD B850 |
| Audio chip | Realtek ALC4080 |
| Audio output channels | 7.1 |
| Product colour | White |
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Power source type | ATX |
| Windows operating systems supported | Windows 11 |
| Expansion slots | |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 4 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 22110 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 largest key size | 2280 |
| 4th M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 |
| Clear CMOS button | Yes |
| Packaging data | |
| Package width | 353 |
| Package depth | 273 |
| Package height | 68 |
| Package weight | 2040 |
| Weight & dimensions | |
| Width | 305 |
| Depth | 244 |
| Packaging content | |
| Cables included | SATA |
| Antenna included | Yes |
| Other features | |
| Weight | 2040 |
| Quick installation guide | Yes |
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.