ROG Strix B850-A Gaming WiFi Motherboard

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.

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.

Performance

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.

Cooling

M.2: M.2 Heatsinks, M.2 Backplate.
VRM: VRM Heatsink Array.
CPU: CPU Fan Headers, AIO Pump Fan Header.
Chassis: 4-pin Fan Headers.

Leading Connectivity

PCIe 5.0: Fully embracing the new standard, the Strix B850-A offers end-to-end PCIe 5.0 support.
USB Ports: Supports total 17 USB ports including USB 20Gbps.

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.

Specifications

CPU: AMD Socket AM5 for AMD Ryzen™ 9000, 8000 & 7000 Series Desktop Processors.
Chipset: AMD B850 Chipset.
Memory:
- 4 x DIMM slots, max. 192GB, DDR5.
- Supports up to 8000+MT/s (OC) with Ryzen™ 9000, 8000 & 7000 Series Processors.
- ECC and Non-ECC, Un-buffered DIMM, Dual channel memory architecture.
- Supports AMD Extended Profiles for Overclocking (EXPO™) and ASUS Enhanced Memory Profile (AEMP).
Graphics:
- 1 x DisplayPort 1.4 (supports max. 8K@30Hz).
- 1 x HDMI™ 2.1 port (supports 4K@60Hz).
Expansion Slots:
- Ryzen™ 9000 & 7000 Series: 1 x PCIe 5.0 x16 slot with Q-Release Slim.
- Ryzen™ 8000 Series: 1 x PCIe 5.0 x16 slot with Q-Release Slim (supports PCIe 4.0 x8 or x4 mode).
- AMD B850 Chipset: 1 x PCIe 4.0 x16 slot (supports x4 mode).
Storage:
- Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports.
- Ryzen™ 9000/7000: M.2_1 (PCIe 5.0 x4), M.2_2 (PCIe 4.0 x4).
- Ryzen™ 8000: M.2_1 (PCIe 4.0 x4), M.2_2 (PCIe 4.0 x4/x2).
- B850 Chipset: M.2_3 (PCIe 4.0 x4, shares bandwidth with PCIEX16_G4), M.2_4 (PCIe 4.0 x4).
- AMD RAIDXpert2 Support (RAID 0/1/5/10 depending on CPU).
Ethernet: 1 x Intel® 2.5Gb Ethernet with ASUS LANGuard.
Wireless & Bluetooth:
- 2x2 Wi-Fi 7 (802.11be), supports 2.4/5/6GHz frequency bands and up to 160MHz bandwidth (up to 2.9Gbps).
- Bluetooth® v5.4.
USB Ports (17 Total):
- Rear I/O (10 ports): 1 x USB 20Gbps (Type-C®), 3 x USB 10Gbps (2 Type-A + 1 Type-C®), 4 x USB 5Gbps (Type-A), 2 x USB 2.0 (Type-A).
- Front I/O (7 ports): 1 x USB 10Gbps (Type-C®), 1 x USB 5Gbps header (supports 2 ports), 2 x USB 2.0 headers (support 4 ports).
Audio:
- ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080.
- Savitech SV3H712 AMP, SupremeFX Shielding, 120 dB SNR playback, 110 dB SNR recording, optical S/PDIF out.
Back Panel I/O Ports:
- 1 x USB 20Gbps (Type-C®), 3 x USB 10Gbps, 4 x USB 5Gbps, 2 x USB 2.0.
- 1 x DisplayPort, 1 x HDMI™, 1 x Wi-Fi module, 1 x Intel® 2.5Gb Ethernet.
- 2 x Audio jacks, 1 x Optical S/PDIF out, 1 x BIOS FlashBack™ button, 1 x Clear CMOS button.
Internal I/O Connectors:
- Cooling: 1 x CPU Fan, 1 x CPU OPT Fan, 1 x AIO Pump, 4 x Chassis Fan headers.
- Power: 1 x 24-pin Main, 2 x 8-pin +12V CPU connectors.
- Storage/USB/Misc: 4 x M.2 slots, 2 x SATA 6Gb/s, 1 x Thunderbolt™ (USB4®) header, 3 x Addressable Gen 2 headers, 1 x Power button.
Special & DIY Features:
- ASUS Q-Design: M.2 Q-Latch, M.2 Q-Release, M.2 Q-Slide, PCIe Slot Q-Release Slim, Q-Antenna, Q-Dashboard, Q-DIMM, Q-LED.
- EZ DIY: BIOS FlashBack™, Clear CMOS button, Pre-mounted I/O shield, SafeSlot, SafeDIMM.