ROG STRIX B850-A GAMING WIFI motherboard socket AMD AM5 (AMD B850, ATX, DDR5 memory, PCIe 5.0, WiFi 7, 3x PCIe 4.0 M.2, Aura Sync)
Elevate your build with the ROG Strix B850-A Gaming WiFi. Featuring a sleek white PCB and support for AMD Ryzen™ 9000 Series processors, this motherboard delivers the power and connectivity needed for advanced AI applications. With DDR5 support, full PCIe 5.0 capabilities, USB 20Gbps port, and WiFi 7, it's the ultimate blend of style and performance.
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 MHz |
| Maximum internal memory |
192 GB |
| Unbuffered memory |
Yes |
| Storage controllers |
|---|
| Supported storage drive types |
HDD & SSD |
| Supported storage drive interfaces |
M.2, SATA III |
| Number of storage drives supported |
6 |
| Number of HDDs supported |
2 |
| 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 pixels |
| 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 |
| Number of temperature sensor headers |
1 |
| Number of water pump connectors |
1 |
| Thunderbolt 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 |
| Line-in |
Yes |
| Headphone outputs |
1 |
| 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 |
|---|
| Component for |
PC |
| Motherboard form factor |
ATX |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| Audio chip |
Realtek ALC4080 |
| Audio output channels |
7.1 channels |
| Product colour |
White |
| 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 Mbit |
| Clear CMOS button |
Yes |
| Packaging data |
|---|
| Package width |
353 mm |
| Package depth |
273 mm |
| Package height |
68 mm |
| Package weight |
2.04 kg |
| Weight & dimensions |
|---|
| Width |
305 mm |
| Depth |
244 mm |
| Packaging content |
|---|
| Antenna included |
Yes |
| Cables included |
SATA |
| Other features |
|---|
| Weight |
2.04 kg |
| Quick installation guide |
Yes |
