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)
Description
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 ADVISORUsing 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 IIAI 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 ENHANCEMENTAMD 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 DOMINATIONThe Strix B850-A is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO) support.
AEMPASUS Enhanced Memory Profile (AEMP) is an exclusive firmware feature for PMIC-restricted memory modules.
ROG STRIX ULTIMATE POWER DESIGN14(80A)+2(80A)+2(80A) Power Stages
PLAY IN STYLE
UNDENIABLY ROG STRIXThe 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 COMPETITIONROG 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 CREATINGWhen 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 GreenWe 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.
Specifications
| Internal I/O |
|---|
| Number of M.2 (M) slots |
4 |
| Thunderbolt headers |
1 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors |
1 |
| Front panel connector |
Yes |
| Supported storage drive interfaces |
M.2, SATA III |
| USB 2.0 connectors |
2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors |
1 |
| mSATA ports quantity |
0 |
| Number of SATA connectors |
0 |
| Number of SATA III connectors |
2 |
| Number of SATA II connectors |
0 |
| Number of chassis fan connectors |
4 |
| Front panel audio connector |
Yes |
| EPS power connector (8-pin) |
Yes |
| CPU fan connector |
Yes |
| ATX Power connector (24-pin) |
Yes |
| RGB LED pin header |
Yes |
| Number of CPU fan connectors |
2 |
| Number of EPS power connectors (8-pin) |
2 |
| Number of water pump connectors |
1 |
| Number of temperature sensor headers |
1 |
| Number of RGB LED pin headers |
3 |
| Technical details |
|---|
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| Supported processor sockets |
Socket AM5 |
| Parallel processing technology support |
Not supported |
| On-board graphics card |
No |
| HDMI version |
2.1 |
| Motherboard form factor |
ATX |
| Component for |
PC |
| Audio |
|---|
| Audio output channels |
7.1 channels |
| Performance |
|---|
| Number of HDDs supported |
2 |
| Supported storage drive types |
HDD & SSD |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| RAID levels |
0, 1, 5, 10 |
| Windows operating systems supported |
Windows 11 |
| Supported processor sockets |
Socket AM5 |
| Audio output channels |
7.1 channels |
| Motherboard form factor |
ATX |
| Component for |
PC |
| Processor |
|---|
| Processor manufacturer |
AMD |
| Compatible processor series |
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets |
Socket AM5 |
| Processor socket |
Socket AM5 |
| Memory |
|---|
| Number of memory slots |
4 |
| Memory slots type |
DIMM |
| Supported memory types |
DDR5-SDRAM |
| Memory channels |
Dual-channel |
| Maximum internal memory |
192 GB |
| Unbuffered memory |
Yes |
| Supported memory clock speed (max) |
8000 MHz |
| ECC сompatibility |
ECC & Non-ECC |
| Storage controllers |
|---|
| Number of HDDs supported |
2 |
| Supported storage drive types |
HDD & SSD |
| Supported storage drive interfaces |
M.2, SATA III |
| RAID levels |
0, 1, 5, 10 |
| Number of storage drives supported |
6 |
| RAID support |
Yes |
| Graphics |
|---|
| Parallel processing technology support |
Not supported |
| On-board graphics card |
No |
| Maximum resolution |
7680 x 4320 pixels |
| Rear panel I/O ports |
|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity |
0 |
| 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 |
| DisplayPort version |
1.4 |
| USB 2.0 ports quantity |
2 |
| WiFi-AP antenna jack |
2 |
| VGA (D-Sub) ports quantity |
0 |
| S/PDIF out port |
Yes |
| Headphone outputs |
1 |
| HDMI version |
2.1 |
| HDMI ports quantity |
1 |
| Ethernet LAN (RJ-45) ports |
1 |
| DVI-D ports quantity |
0 |
| DisplayPorts quantity |
1 |
| Digital audio optical out |
1 |
| USB 3.2 Gen 2x2 Type-C ports quantity |
1 |
| Line-in |
Yes |
| Network |
|---|
| Ethernet LAN |
Yes |
| Wi-Fi |
Yes |
| Wi-Fi standards |
Wi-Fi 7 (802.11be) |
| Ethernet interface type |
2.5 Gigabit Ethernet |
| Bluetooth |
Yes |
| Bluetooth version |
5.4 |
| Top Wi-Fi standard |
Wi-Fi 7 (802.11be) |
| Features |
|---|
| Power source type |
ATX |
| Motherboard chipset family |
AMD |
| Motherboard chipset |
AMD B850 |
| Windows operating systems supported |
Windows 11 |
| Supported processor sockets |
Socket AM5 |
| Audio output channels |
7.1 channels |
| Motherboard form factor |
ATX |
| Component for |
PC |
| Audio chip |
Realtek ALC4080 |
| Product colour |
White |
| Expansion slots |
|---|
| Number of M.2 (M) slots |
4 |
| PCI Express x16 (Gen 4.x) slots |
1 |
| PCI Express x16 (Gen 5.x) slots |
1 |
| 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 |
| Power |
|---|
| Power source type |
ATX |
| Video |
|---|
| Maximum resolution |
7680 x 4320 pixels |
| Packaging data |
|---|
| Package width |
13.9" (353 mm) |
| Package depth |
10.7" (273 mm) |
| Package height |
2.68" (68 mm) |
| Package weight |
4.5 lbs (2.04 kg) |
| Software |
|---|
| Windows operating systems supported |
Windows 11 |
| Weight & dimensions |
|---|
| Package width |
13.9" (353 mm) |
| Package depth |
10.7" (273 mm) |
| Package height |
2.68" (68 mm) |
| Package weight |
4.5 lbs (2.04 kg) |
| Weight |
4.5 lbs (2.04 kg) |
| Width |
12" (305 mm) |
| Depth |
9.61" (244 mm) |
| Packaging content |
|---|
| Quick installation guide |
Yes |
| Cables included |
SATA |
| Antenna included |
Yes |
| Other features |
|---|
| Package width |
13.9" (353 mm) |
| Package depth |
10.7" (273 mm) |
| Package height |
2.68" (68 mm) |
| Package weight |
4.5 lbs (2.04 kg) |
| mSATA ports quantity |
0 |
| Weight |
4.5 lbs (2.04 kg) |
| Quick installation guide |
Yes |
